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ResponseCodeType Enumeration

The ResponseCodeType enumeration provides status information for the request.

Namespace:  ExchangeWebServices
Assembly:  EWS (in EWS.dll)

[SerializableAttribute]
public enum ResponseCodeType

Member nameDescription
NoErrorThis response code is returned when no errors occur.
ErrorAccessDeniedIndicates that the calling account does not have the rights to perform the action requested.
ErrorAccessModeSpecifiedThis member was introduced in Exchange Server 2010 Service Pack 1 (SP1).
ErrorAccountDisabledIndicates that the account in question has been disabled.
ErrorAddDelegatesFailedOccurs when a list with added delegates cannot be saved.
ErrorAddressSpaceNotFoundIndicates that the address space record, or Domain Name System (DNS) domain name, for cross-forest availability could not be found in Active Directory Domain Services (AD DS).
ErrorADOperationIndicates that the operation failed because of communication problems with AD DS.
ErrorADSessionFilterIndicates that the ResolveNames Operation request specifies an invalid name.
ErrorADUnavailableIndicates that AD DS is unavailable. Try your request again later.
ErrorAutoDiscoverFailedIndicates that Exchange Web Services tried to determine the location of a cross-forest computer that is running Microsoft Exchange Server 2007 that has the Client Access server role installed by using the Autodiscover service, but the call to the Autodiscover service failed. This response code is applicable to the GetUserAvailability method.
ErrorAffectedTaskOccurrencesRequiredIndicates that the AffectedTaskOccurrences property value is missing. This value is required when you are deleting a task so that Exchange Web Services knows whether to delete a single task or all occurrences of a repeating task.
ErrorAttachmentNestLevelLimitExceeded
ErrorAttachmentSizeLimitExceededIndicates that the size of the attachment exceeds Int32.MaxValue, in bytes. This response code is applicable to the CreateAttachment and GetAttachment methods.
ErrorAvailabilityConfigNotFoundIndicates that the availability configuration information for the local forest is missing from AD DS. This response code is applicable to the GetUserAvailability method.
ErrorBatchProcessingStoppedIndicates that the previous item in the request failed in such a way that Exchange Web Services stopped processing the remaining items in the request. All remaining items are marked with the ErrorBatchProcessingStopped error.
ErrorCalendarCannotMoveOrCopyOccurrenceIndicates that an attempt was made to move or copy an occurrence of a recurring calendar item.
ErrorCalendarCannotUpdateDeletedItemIndicates that an attempt was made to update a calendar item that is located in the Deleted Items folder, and the update in question would send out a meeting invite.
ErrorCalendarCannotUseIdForOccurrenceIdIndicates that the OccurrenceId does not correspond to a valid occurrence of the recurringMasterId.
ErrorCalendarCannotUseIdForRecurringMasterIdIndicates that the recurringMasterId does not correspond to a valid occurrence of the OccurrenceId.
ErrorCalendarDurationIsTooLongIndicates that the item duration of a calendar item exceeds five years.
ErrorCalendarEndDateIsEarlierThanStartDateIndicates that the end date/time must be changed so that it is greater than the start date/time.
ErrorCalendarFolderIsInvalidForCalendarViewIndicates that the find operation that is using the CalendarViewType object is not for a calendar folder.
ErrorCalendarInvalidAttributeValueThis response code is not used.
ErrorCalendarInvalidDayForTimeChangePatternIndicates that invalid values of Day, WeekDay, and WeekendDay were used to define the time change pattern.
ErrorCalendarInvalidDayForWeeklyRecurrenceIndicates that invalid values of Day, WeekDay, and WeekendDay were used to specify the weekly recurrence.
ErrorCalendarInvalidPropertyStateIndicates that the state of the calendar item recurrence binary large object (BLOB) in the Exchange store is invalid.
ErrorCalendarInvalidPropertyValueThis response code is not used.
ErrorCalendarInvalidRecurrenceIndicates that the internal structure of the objects that represent the recurrence is invalid.
ErrorCalendarInvalidTimeZoneIndicates that an invalid time zone was encountered.
ErrorCalendarIsCancelledForAcceptIndicates that a calendar item has been cancelled.
ErrorCalendarIsCancelledForDeclineIndicates that a calendar item has been cancelled.
ErrorCalendarIsCancelledForRemoveIndicates that a calendar item has been cancelled.
ErrorCalendarIsCancelledForTentativeIndicates that a calendar item has been cancelled.
ErrorCalendarIsDelegatedForAcceptIndicates that delegate access cannot be used to accept a meeting request.
ErrorCalendarIsDelegatedForDeclineIndicates that delegate access cannot be used to decline a meeting request.
ErrorCalendarIsDelegatedForRemoveIndicates that delegate access cannot be used to delete a meeting request.
ErrorCalendarIsDelegatedForTentativeIndicates that delegate access cannot be used to tentatively accept a meeting request.
ErrorCalendarIsNotOrganizerIndicates that a meeting cannot be canceled by someone other than the organizer.
ErrorCalendarIsOrganizerForAcceptIndicates that the meeting organizer cannot accept the meeting. Only attendees can accept meeting requests.
ErrorCalendarIsOrganizerForDeclineIndicates that the meeting organizer cannot decline the meeting. Only attendees can decline meeting requests.
ErrorCalendarIsOrganizerForRemoveIndicates that the meeting organizer cannot remove a meeting from the calendar. The organizer can only remove the meeting by canceling the meeting. Only attendees can remove a calendar item.
ErrorCalendarIsOrganizerForTentativeIndicates that the meeting organizer cannot tentatively accept a meeting. Only attendees can tentatively accept meeting requests.
ErrorCalendarOccurrenceIndexIsOutOfRecurrenceRangeOccurs when the occurrence index that is specified in the OccurrenceId property does not correspond to a valid occurrence. For example, if your recurrence pattern defines a set of three meeting occurrences and you try to access the fifth occurrence.
ErrorCalendarOccurrenceIsDeletedFromRecurrenceOccurs when the occurrence index that is specified in the OccurrenceId property corresponds to a deleted instance.
ErrorCalendarOutOfRangeOccurs when a recurrence pattern is defined that contains a value for a month, day, or week that is out of range, such as the seventh week of the month.
ErrorCalendarMeetingRequestIsOutOfDateIndicates that a meeting request is out-of-date and cannot be updated.
ErrorCalendarViewRangeTooBigOccurs when the range for calendar paging is larger than two years.
ErrorCallerIsInvalidADAccountIndicates that the requesting account is not a valid account in the directory database.
ErrorCannotCreateCalendarItemInNonCalendarFolderOccurs when you are creating a calendar item and the SavedItemFolderId property refers to a non-calendar folder.
ErrorCannotCreateContactInNonContactFolderOccurs when you are creating a contact and the SavedItemFolderId property refers to a non-contact folder.
ErrorCannotCreatePostItemInNonMailFolderIndicates that a post item cannot be created in a Calendar, Contacts, Tasks, Notes, and so on folder. It can only be created in a Mail folder.
ErrorCannotCreateTaskInNonTaskFolderOccurs when you are creating a Task and the SavedItemFolderId property refers to a non-task folder.
ErrorCannotDeleteObjectIndicates that the item or folder to delete cannot be deleted.
ErrorCannotOpenFileAttachmentOccurs when the attachment stream does not open.
ErrorCannotDeleteTaskOccurrenceIndicates that you cannot delete an occurrence of a nonrecurring task and you cannot delete the last occurrence of a recurring task.
ErrorCannotEmptyFolderThis member was introduced in Exchange Server 2010 Service Pack 1 (SP1).
ErrorCannotSetCalendarPermissionOnNonCalendarFolderIndicates that the caller tried to set calendar permissions on a non-calendar folder.
ErrorCannotSetNonCalendarPermissionOnCalendarFolderIndicates that the caller tried to set non-calendar permissions on a calendar folder.
ErrorCannotSetPermissionUnknownEntriesIndicates that you cannot set unknown permissions in a permissions set.
ErrorCannotUseFolderIdForItemIdOccurs when the ID that was passed represents a folder instead of an item.
ErrorCannotUseItemIdForFolderIdOccurs when the ID that was passed in represents an item instead of a folder.
ErrorChangeKeyRequiredThis response code has been replaced by ErrorChangeKeyRequiredForWriteOperations.
ErrorChangeKeyRequiredForWriteOperationsIndicates that a valid change key must be provided when you are performing certain update operations.
ErrorClientDisconnectedThis member was introduced in Exchange Server 2010 Service Pack 1 (SP1).
ErrorConnectionFailedOccurs when Exchange Web Services cannot connect to the mailbox.
ErrorContainsFilterWrongTypeIndicates that the property inspected for a Contains filter is not a string type.
ErrorContentConversionFailedOccurs when Exchange Web Services is unable to retrieve the Multipurpose Internet Mail Extensions (MIME) content for the item that was retrieved by the GetItem method, or is unable to create the item from the CreateItem method.
ErrorCorruptDataIndicates that the data is corrupted and cannot be processed.
ErrorCreateItemAccessDeniedIndicates that the caller does not have the right to create the item.
ErrorCreateManagedFolderPartialCompletionIndicates that one or more of the managed folders that were passed to the CreateManagedFolder method failed to be created. Search for each folder to determine which folders were created and which folders do not exist.
ErrorCreateSubfolderAccessDeniedIndicates that the calling account does not have the proper rights to create the subfolder.
ErrorCrossMailboxMoveCopyIndicates that the item or folder cannot be moved from one mailbox to another.
ErrorCrossSiteRequestIndicates that the request is not allowed because the Client Access server that should service the request is in a different site.
ErrorDataSizeLimitExceededIndicates that either the data that you were trying to set exceeded the maximum size for the property or the value is large enough to require streaming and the property does not support streaming, such as folder properties.
ErrorDataSourceOperationOccurs when the underlying data provider failed to complete the operation.
ErrorDelegateAlreadyExistsOccurs in an AddDelegate method call when the specified user already exists in the list of delegates.
ErrorDelegateCannotAddOwnerOccurs in an AddDelegate method call when the specified user to be added is the owner of the mailbox.
ErrorDelegateMissingConfigurationOccurs in a GetDelegate method call when either there is no delegate information on local FreeBusy message or no Active Directory public delegate (no “public delegate” or no "Send On Behalf" entry in AD DS).
ErrorDelegateNoUserOccurs when a specified user cannot be mapped to a user in AD DS.
ErrorDelegateValidationFailedOccurs in an AddDelegate method call when an added delegate user is not valid.
ErrorDeleteDistinguishedFolderIndicates that you cannot delete a distinguished folder.
ErrorDeleteItemsFailedThis response code is not used.
ErrorDistinguishedUserNotSupportedIndicates that a distinguished user ID is not valid for the operation. DistinguishedUserType should not be present in the request.
ErrorDistributionListMemberNotExistIndicates that a request distribution list member does not exist in the distribution list.
ErrorDuplicateInputFolderNamesOccurs when there are duplicate folder names in the array that was passed into the CreateManagedFolder method.
ErrorDuplicateUserIdsSpecifiedIndicates that a duplicate user ID has been found in a permission set, that either Default or Anonymous are set more than once, or that there are duplicate SIDs or recipients.
ErrorEmailAddressMismatchOccurs when the e-mail address for the distinguished folder ID does not match the mailbox that you are operating on. For example, you cannot create a search folder that exists in one mailbox but considers distinguished folders from another mailbox in its search criteria.
ErrorEventNotFoundIndicates that the subscription that was created with a particular watermark is no longer valid.
ErrorExceededConnectionCountIndicates that there are more concurrent requests against the server than allowed by a user's policy.
ErrorExceededSubscriptionCountIndicates that a user's throttling policy maximum subscription count has been exceeded.
ErrorExceededFindCountLimitIndicates that a search operation call has exceeded the total number of items that can be returned.
ErrorExpiredSubscriptionIndicates that the subscription that is referenced by the GetEvents method has expired.
ErrorFolderCorruptIndicates that the folder is corrupted and cannot be saved.
ErrorFolderNotFoundIndicates that the folder ID that was passed in does not correspond to a valid folder, or that the delegate does not have permissions to access the folder.
ErrorFolderPropertRequestFailedIndicates that the requested property could not be retrieved. This does not indicate that the property does not exist, but that the property was corrupted in some way so that the retrieval failed.
ErrorFolderSaveIndicates that the folder could not be created or saved because of an invalid state.
ErrorFolderSaveFailedIndicates that the folder could not be created or saved because of an invalid state.
ErrorFolderSavePropertyErrorIndicates that the folder could not be created or updated because of invalid property values. The response code lists which properties caused the problem.
ErrorFolderExistsIndicates that a folder that has that name already exists. Duplicate folder names are not allowed within the same parent folder.
ErrorFreeBusyGenerationFailedOccurs when free/busy information cannot be retrieved because of an intervening failure.
ErrorGetServerSecurityDescriptorFailedThis response code is not used.
ErrorImpersonateUserDeniedIndicates that the calling account does not have the ms-Exch-EPI-May-Impersonate right on either the user or contact that it is trying to impersonate or the mailbox database that contains the user mailbox. This response code is returned within a SOAP fault.
ErrorImpersonationDeniedIndicates that the calling account does not have the ms-Exch-EPI-Impersonation right on the Client Access server that it is calling. This response code is returned within a SOAP fault.
ErrorImpersonationFailedIndicates that there was an unexpected error when an attempt was made to perform server-to-server authentication. This response code typically indicates either that the service account that is running the Exchange Web Services application pool is configured incorrectly, that Exchange Web Services cannot talk to the directory, or that a trust between forests is not correctly configured.
ErrorIncorrectSchemaVersionIndicates that the request was valid for the current Exchange Server version but was invalid for the request server version that was specified.
ErrorIncorrectUpdatePropertyCountIndicates that each change description in an UpdateItem or UpdateFolder method call must list only one property to update.
ErrorIndividualMailboxLimitReachedOccurs when the request contains too many attendees to resolve. By default, the maximum number of attendees to resolve is 100.
ErrorInsufficientResourcesIndicates that the mailbox server is overloaded. Try your request again later.
ErrorInternalServerErrorIndicates that Exchange Web Services encountered an error that it could not recover from, and no more specific response code is associated with the error that occurred.
ErrorInternalServerTransientErrorIndicates that an internal server error occurred and that you should try your request again later.
ErrorInvalidAccessLevelIndicates that the level of access that the caller has on the free/busy data is invalid.
ErrorInvalidArgumentIndicates an error caused by all invalid arguments passed to the GetMessageTrackingReport operation. This error is returned in the following scenarios: The user specified in the sending-as parameter does not exist in the directory; the user specified in the sending-as parameter is not unique in the directory; the sending-as address is empty; the sending-as address is not a valid email address.
ErrorInvalidAttachmentIdIndicates that the attachment was not found within the attachments collection for the item. For example, you may receive this response code if you have an attachment ID and then the attachment is deleted and you try to call the GetAttachment method on the attachment ID.
ErrorInvalidAttachmentSubfilterOccurs when you try to bind to an existing search folder by using a complex attachment table restriction. Exchange Web Services only supports simple contains filters against the attachment table. If you try to bind to an existing search folder that has a more complex attachment table restriction (a subfilter), Exchange Web Services cannot render the XML for that filter and returns this response code. Note that you can still call the GetFolder method on the folder, but do not request the SearchParameters property.
ErrorInvalidAttachmentSubfilterTextFilterOccurs when you try to bind to an existing search folder by using a complex attachment table restriction. Exchange Web Services only supports simple contains filters against the attachment table. If you try to bind to an existing search folder that has a more complex attachment table restriction, Exchange Web Services cannot render the XML for that filter. In this case, the attachment subfilter contains a text filter, but it is not looking at the attachment display name. Note that you can still call the GetFolder method on the folder, but do not request the SearchParameters property.
ErrorInvalidAuthorizationContextIndicates that the authorization procedure for the requester failed.
ErrorInvalidChangeKeyIndicates that an invalid change key was passed in. Note that many methods do not require a change key to be passed. However, if you do provide a change key, it must be valid, although not necessarily up-to-date.
ErrorInvalidClientSecurityContextIndicates that there was an internal error when an attempt was made to resolve the identity of the caller.
ErrorInvalidCompleteDateOccurs when you try to set the CompleteDate of a task to a time in the future. When it is converted to the local time of the Client Access server, the CompleteDate cannot be set to a value that is later than the local time on the Client Access server.
ErrorInvalidContactEmailAddressIndicates that an invalid e-mail address was provided for a contact.
ErrorInvalidContactEmailIndexIndicates that an invalid e-mail index value was provided for an e-mail entry.
ErrorInvalidCrossForestCredentialsOccurs when the credentials that are used to proxy a request to a different directory service forest fail authentication.
ErrorInvalidDelegatePermissionIndicates that the specified folder permissions are invalid.
ErrorInvalidDelegateUserIdIndicates that the specified delegate user ID is invalid.
ErrorInvalidExcludesRestrictionIndicates that the bitmask that was passed into the Excludes restriction was unable to be parsed.
ErrorInvalidExpressionTypeForSubFilterThis response code is not used.
ErrorInvalidExtendedPropertyOccurs when the combination of extended property values that was specified are invalid or result in an invalid extended property Uniform Resource Identifier (URI).
ErrorInvalidExtendedPropertyValueIndicates that the value that was offered for the extended property is inconsistent with the type that was specified in the associated extended field URI. For example, if the PropertyType property on the extended field URI is set to String, but you set the value of the extended property as an array of integers, you will encounter this response code.
ErrorInvalidFolderIdOccurs when the folder ID is corrupted.
ErrorInvalidFolderTypeForOperationIndicates that the specified folder type is invalid for the current operation. For example, you cannot create a Search folder in a public folder.
ErrorInvalidFractionalPagingParametersOccurs in fractional paging when the user has specified one of the following: a numerator that is greater than the denominator, a numerator that is less than zero, or a denominator that is less than or equal to zero.
ErrorInvalidFreeBusyViewTypeOccurs if a FreeBusyViewType of None is requested.
ErrorInvalidIdIndicates that the structure of the ID and/or change key is internally inconsistent.
ErrorInvalidIdEmptyIndicates that the caller specified an ID that is empty.
ErrorInvalidIdMalformedIndicates that the structure of the ID is internally inconsistent.
ErrorInvalidIdMalformedEwsLegacyIdFormatIndicates that a folder or item ID that is using the Exchange 2007 format was specified for a request with a version of Exchange 2007 SP1 or later. You cannot use Exchange 2007 IDs in Exchange 2007 SP1 or later requests. You must use ConvertId to convert them first.
ErrorInvalidIdMonikerTooLongIndicates that the structure of the ID is internally inconsistent. The moniker is contained within the ID and indicates which mailbox the ID belongs to. This response code is returned if the length of the moniker is checked and the byte count is longer than expected.
ErrorInvalidIdNotAnItemAttachmentIdOccurs when the AttachmentId property does not refer to an item attachment.
ErrorInvalidIdReturnedByResolveNamesIndicates that a contact in your mailbox is corrupt.
ErrorInvalidIdStoreObjectIdTooLongOccurs when the structure of the ID is internally inconsistent.
ErrorInvalidIdTooManyAttachmentLevelsIndicates that the attachment hierarchies exceed the maximum of 255 levels deep.
ErrorInvalidIdXmlThis response code is not used.
ErrorInvalidIndexedPagingParametersOccurs if the offset for indexed paging is less than zero.
ErrorInvalidInternetHeaderChildNodesThis response code is not used.
ErrorInvalidItemForOperationCreateItemAttachmentIndicates that you tried to create an item attachment by using an unsupported item type. Supported item types for item attachments include ItemType, MessageType, CalendarItemType, TaskType, and ContactItemType objects. For example, if you try to create a MeetingMessage attachment, you will encounter this response code.
ErrorInvalidItemForOperationCreateItemIndicates that you tried to create an unsupported item. Supported items include ItemType, MessageType, CalendarItemType, TaskType, and ContactItemType objects. For example, you cannot create a DistributionList object by using the CreateItem method. In addition, certain types are created as a side effect of doing something else. MeetingMessages objects, for example, are created when you send a calendar item to attendees; they are not created explicitly.
ErrorInvalidItemForOperationAcceptItemOccurs when an AcceptItemType object is created on something other than a meeting request or a calendar item, or when an attempt is made to accept a calendar item occurrence that is in the Deleted Items folder.
ErrorInvalidItemForOperationDeclineItemIndicates that a DeclineItemType object was created on something other than a meeting request or a calendar item, or that you tried to decline a calendar item occurrence that is in the Deleted Items folder.
ErrorInvalidItemForOperationCancelItemOccurs when a CancelCalendarItemType object is created for something other than a calendar item.
ErrorInvalidItemForOperationExpandDLOccurs when the instance of the ExpandDLType class that was passed to the ExpandDL method does not represent a distribution list.
ErrorInvalidItemForOperationRemoveItemOccurs when a RemoveItemType object is created for an item other than a meeting cancellation.
ErrorInvalidItemForOperationSendItemOccurs if the SendItem method was attempted on an item other than a message item. Only items whose ItemClass property value begins with IPM.Note can be sent.
ErrorInvalidItemForOperationTentativeOccurs if a TentativelyAcceptItemType object was created on an item other than a calendar item or meeting request. Also occurs if the TentativelyAcceptItemType object was created for a calendar item occurrence that is in the Deleted Items folder.
ErrorInvalidLogonTypeThis member was introduced in Exchange Server 2010 Service Pack 1 (SP1).
ErrorInvalidMailboxIndicates that the CreateItem or UpdateItem operation failed while creating or updating a personal distribution list.
ErrorInvalidManagedFolderPropertyIndicates that the structure of the managed folder is corrupted and cannot be rendered.
ErrorInvalidManagedFolderQuotaIndicates that the quota that is set on the managed folder is less than zero, which indicates a corrupted managed folder.
ErrorInvalidManagedFolderSizeIndicates that the size that is set on the managed folder is less than zero, which indicates a corrupted managed folder.
ErrorInvalidMergedFreeBusyIntervalIndicates that the supplied merged free/busy internal value is invalid. The default minimum value is 5 minutes. The default maximum value is 1440 minutes.
ErrorInvalidNameForNameResolutionIndicates that the name that was passed into the ResolveNames method was invalid. For example, a zero-length string, a single space, a comma, and a dash are all invalid names.
ErrorInvalidOperationThis is a general error that is used when the requested operation is invalid. For example, this error indicates any of the following:
  • You cannot do a “Deep” traversal using the FindFolder method on a public folder.

  • You cannot move or copy the public folder root.

  • You cannot delete an associated item by any mode except “Hard” delete.

  • You cannot move or copy an associated item.

ErrorInvalidNetworkServiceContextIndicates an error in the Network Service account on the Client Access server.
ErrorInvalidOofParameterThis response code is not used.
ErrorInvalidPagingMaxRowsIndicates that zero rows or a negative value is specified as the maximum number of rows to be returned.
ErrorInvalidParentFolderIndicates that you passed in an invalid parent folder for an operation, for example by creating a folder within a search folder.
ErrorInvalidPercentCompleteValueOccurs if the percent complete property is set to a value that is not between 0 and 100 (inclusive).
ErrorInvalidPermissionSettingsIndicates that the permission level is inconsistent with the permission settings.
ErrorInvalidPhoneCallIdIndicates that the caller identifier is not valid.
ErrorInvalidPhoneNumberIndicates that the phone number is not correct or does not fit the dial plan rules.
ErrorInvalidUserInfoIndicates that an internally inconsistent user ID was specified for a permissions operation. For example, if a distinguished user ID is specified (Default or Anonymous), this error is returned if you also try to specify a SID, or primary SMTP address or display name for this user.
ErrorInvalidPropertyAppendOccurs if the property that you are trying to append to does not support appending. The following are the only properties that support appending: Recipient collections (To, Cc, Bcc), Attendee collections (Required, Optional, Resources), Body property, and ReplyTo.
ErrorInvalidPropertyDeleteIndicates that the property that you are trying to delete does not support deleting. For example, you cannot delete the ItemId property of the ItemType object.
ErrorInvalidPropertyForExistsOccurs if you pass one of the flag properties to a RestrictionType filter of ExistsType. The following are the flag properties: IsDraft, IsSubmitted, IsUnmodified,IsResend, and IsFromMe.

The request should use an IsEqualToTypeRestrictionType filter instead as these are flags and therefore part of a single property that does exist. The Boolean value of the property is what has to be determined.

ErrorInvalidPropertyForOperationIndicates that the property that you are trying to manipulate does not support the operation that is being performed on it.
ErrorInvalidPropertyRequestOccurs if the property that is specified in the request is not available for the item type. For example, this response code is returned if a property that is only available on calendar items is requested in a GetItem method call for a message or is updated in an UpdateItem method call for a message.

This error occurs in the following operations: GetItem Operation, GetFolder Operation, UpdateItem Operation, and UpdateFolder Operation

ErrorInvalidPropertySetIndicates that the property you are trying to set is read-only.
ErrorInvalidPropertyUpdateSentMessageOccurs during an UpdateItem method call when a client tries to update certain properties of a message that has already been sent. For example, the following properties cannot be updated on a sent message: IsReadReceiptRequested and IsDeliveryReceiptRequested
ErrorInvalidProxySecurityContextThis response code is not used.
ErrorInvalidPullSubscriptionIdOccurs if you called GetEvents or Unsubscribe on a push subscription ID. To unsubscribe from a push subscription, you must respond to a push request with an unsubscribe response, or disconnect your Web service and wait for the push notifications to time out.
ErrorInvalidPushSubscriptionUrlIndicates that the URL that was provided as a callback for the Subscribe method has an invalid format. The following conditions must be met for Exchange Web Services to accept the URL: String length > 0 and < 2083, protocol is http or https, and able to be parsed by the URI Microsoft .NET Framework class.
ErrorInvalidRecipientsIndicates that the recipient collection on your message or the attendee collection on your calendar item is invalid.
ErrorInvalidRecipientSubfilterIndicates that the search folder has a recipient table filter that Exchange Web Services cannot represent. To fix the error, retrieve the folder without requesting the search parameters.
ErrorInvalidRecipientSubfilterComparisonIndicates that the search folder has a recipient table filter that Exchange Web Services cannot represent. To fix the error, retrieve the folder without requesting the search parameters.
ErrorInvalidRecipientSubfilterOrderIndicates that the search folder has a recipient table filter that Exchange Web Services cannot represent. To fix the error, retrieve the folder without requesting the search parameters.
ErrorInvalidRecipientSubfilterTextFilterIndicates that the search folder has a recipient table filter that Exchange Web Services cannot represent. To fix the error, retrieve the folder without requesting the search parameters.
ErrorInvalidReferenceItemOccurs under the following circumstances: The referenced item identifier is not a MessageType or CalendarItemType object, or one of their descendants; the reference item identifier is for a CalendarItemType object and the organizer is trying to Reply or ReplyAll. Calendar items can only be forwarded by the organizer; the message is a draft and Reply or ReplyAll is selected, and the ResponseObjects is set to SuppressReadReceipt and the item is not a message.
  • This response code is returned from the CreateItem method for Forward and Reply response objects.

ErrorInvalidRequestIndicates that the SOAP request has a SOAP action header, but nothing in the SOAP body. Note that the SOAP action header is not required as Exchange Web Services can determine the method to call from the local name of the root element in the SOAP body.
ErrorInvalidRestrictionThis response code is not used.
ErrorInvalidRoutingTypeIndicates that the RoutingType property that was passed for an EmailAddressType is not a valid routing type. Typically, routing type is set to Simple Mail Transfer Protocol (SMTP).
ErrorInvalidScheduledOofDurationOccurs if the specified duration end time is not greater than the start time, or if the end time does not occur in the future.
ErrorInvalidSchemaVersionForMailboxVersionIndicates that a proxy request sent to another server is not capable of servicing the request because of a versioning mismatch.
ErrorInvalidSecurityDescriptorIndicates that the Exchange security descriptor on the Calendar folder in the store is corrupted.
ErrorInvalidSendItemSaveSettingsOccurs during an attempt to send an item where the SaveItemFolderId method is specified in the request but the SaveItemToFolder property is set to false.
ErrorInvalidSerializedAccessTokenIndicates that the token that was passed in the header is malformed, does not refer to a valid account in the directory, or is missing the primary group SID.
ErrorInvalidServerVersionIndicates that an invalid request server version was specified in the request.
ErrorInvalidSidIndicates that one or more of the SID properties within the passed token or Exchange Impersonation block have an invalid structure.
ErrorInvalidSIPUriIndicates that the SIP name, dial plan, or phone number are invalid SIP URI.
ErrorInvalidSmtpAddressIndicates that the SMTP address cannot be parsed.
ErrorInvalidSubfilterTypeThis response code is not used.
ErrorInvalidSubfilterTypeNotAttendeeTypeThis response code is not used.
ErrorInvalidSubfilterTypeNotRecipientTypeThis response code is not used.
ErrorInvalidSubscriptionIndicates that the subscription is no longer valid. This could be because the Client Access is restarting or because the subscription expired.
ErrorInvalidSubscriptionRequestIndicates that the subscribe request included multiple public folder IDs. A subscription can include multiple folders from the same mailbox or one public folder ID.
ErrorInvalidSyncStateDataIndicates that the sync state data is corrupted. This is returned by the SyncFolderItems method or the SyncFolderHierarchy method if the SyncState property data is invalid. To fix this error, you must resynchronize without the sync state. Make sure that if you are persisting sync state blobs, you are not accidentally truncating the BLOB.
ErrorInvalidTimeIntervalIndicates that the specified time interval is invalid. The start time must be greater than or equal to the end time.
ErrorInvalidUserOofSettingsIndicates that the user Out of Office (OOF) settings are invalid because of a missing internal or external reply.
ErrorInvalidUserPrincipalNameIndicates that the UPN that was passed in the Exchange Impersonation SOAP header did not map to a valid account.
ErrorInvalidUserSidIndicates that the SID that was passed in the Exchange Impersonation SOAP header was either structurally invalid or did not map to a valid account.
ErrorInvalidUserSidMissingUPNThis response code is not used.
ErrorInvalidValueForPropertyIndicates that the comparison value in the restriction is invalid for the property you are comparing against. For example, the comparison value of DateTimeCreated > true would return this response code. This response code is also returned if you specify an enumeration property in the comparison, but the value that you are comparing against is not a valid value for that enumeration.
ErrorInvalidWatermarkIndicates that the watermark is invalid.
ErrorIPGatewayNotFoundIndicates that a valid VoIP gateway is not available.
ErrorIrresolvableConflictIndicates that conflict resolution was unable to resolve changes for the properties. The items in the store may have been changed and have to be updated. Retrieve the updated change key and try again.
ErrorItemCorruptIndicates that the state of the object is corrupted and cannot be retrieved. When you are retrieving an item, only certain properties will be in this state, such as Body and MimeContent. Omit these properties and retry the operation.
ErrorItemNotFoundIndicates that the item was not found or you do not have rights to access the item.
ErrorItemPropertyRequestFailedOccurs if a property request fails. The property may exist, but could not be retrieved.
ErrorItemSaveOccurs when attempts to save the item or folder fail.
ErrorItemSavePropertyErrorOccurs when attempts to save the item or folder fail because of invalid property values. The response code includes the path of the invalid properties.
ErrorLegacyMailboxFreeBusyViewTypeNotMergedThis response code is not used.
ErrorLocalServerObjectNotFoundThis response code is not used.
ErrorLogonAsNetworkServiceFailedIndicates that the availability service was unable to log on as the network service in order to proxy requests to the appropriate sites or forests. This response typically indicates a configuration error.
ErrorMailboxConfigurationIndicates that the mailbox information in AD DS is configured incorrectly.
ErrorMailboxDataArrayEmptyIndicates that the MailboxDataArray property in the request is empty. You must supply at least one mailbox identifier.
ErrorMailboxDataArrayTooBigOccurs when more than 100 entries are supplied in a MailboxDataArray.
ErrorMailboxLogonFailedOccurs when the connection to the mailbox to get the calendar view information failed.
ErrorMailboxMoveInProgressIndicates that the mailbox is being moved to a different mailbox store or server. This can also indicate that the mailbox is on another server or mailbox database.
ErrorMailboxStoreUnavailableIndicates that the mailbox database is offline, corrupt, shutting down, or exhibiting other conditions that make the mailbox unavailable.
ErrorMailRecipientNotFoundOccurs if the MailboxData information cannot be mapped to a valid mailbox account.
ErrorMailTipsDisabledIndicates that mail tips are disabled.
ErrorManagedFolderAlreadyExistsIndicates that the managed folder that you are trying to create already exists in your mailbox.
ErrorManagedFolderNotFoundOccurs when the folder name that was specified in the request does not map to a managed folder definition in AD DS. You can only create instances of managed folders for folders defined in AD DS. Check the name and try again.
ErrorManagedFoldersRootFailureIndicates that the managed folders root was deleted from the mailbox or that there is already a folder in the same parent folder that has the name of the managed folder root. This will also occur if the attempt to create the root managed folder fails.
ErrorMeetingSuggestionGenerationFailedIndicates that the suggestions engine encountered a problem when it was trying to generate the suggestions.
ErrorMessageDispositionRequiredOccurs if the MessageDisposition property is not set. This property is required for the following: 1) T:ExchangeWebServices.CreateItemType and T:ExchangeWebServices.UpdateItemType objects when the item that is being created or updated is a MessageType object. 2) CancelCalendarItemType, AcceptItemType, DeclineItemType, or TentativelyAcceptItemTypeResponseObjects.
ErrorMessageSizeExceededIndicates that the message that you are trying to send exceeded the allowed limits.
ErrorMimeContentConversionFailedOccurs when the MIME content is not a valid iCal for a CreateItem method. For a GetItem method, this response indicates that the MIME content could not be generated.
ErrorMimeContentInvalidOccurs when the MIME content is invalid.
ErrorMimeContentInvalidBase64StringOccurs when the MIME content in the request is not a valid base 64 string.
ErrorMissingArgumentIndicates that a required argument was missing from the request. The response message text indicates which argument to check.
ErrorMissingEmailAddressIndicates that you specified a distinguished folder ID in the request, but the account that made the request does not have a mailbox on the system.
ErrorMissingEmailAddressForManagedFolderIndicates that you specified a distinguished folder ID in the request, but the account that made the request does not have a mailbox on the system. This response is returned from the CreateManagedFolder method.
ErrorMissingInformationEmailAddressIndicates that the attendee or recipient does not have the EmailAddress property set. The other two EmailAddressType properties, Name and RoutingType, are optional.
ErrorMissingInformationReferenceItemIdOccurs if the ReferenceItemId property value is missing from the response object.
ErrorMissingItemForCreateItemAttachmentOccurs when you are creating an item attachment if you do not indicate the item that you want to create.
ErrorMissingManagedFolderIdOccurs when the policy IDs property, property tag 0x6732, for the folder is missing. You should consider this a corrupted folder.
ErrorMissingRecipientsIndicates that you tried to send an item without including recipients. Note that if you call the CreateItem method with a message disposition that causes the message to be sent, you will get the following response code: ErrorInvalidRecipients.
ErrorMissingUserIdInformationIndicates that a user ID has not been fully specified in a permissions set.
ErrorMoreThanOneAccessModeSpecifiedIndicates that you have specified more than one ExchangeImpersonation property value within a request.
ErrorMoveCopyFailedIndicates that the move or copy operation failed. Moving occurs in the CreateItem method when you accept a meeting request that is in the Deleted Items folder. In addition, if you decline a meeting request, cancel a calendar item, or remove a meeting from your calendar, it is moved to the Deleted Items folder.
ErrorMoveDistinguishedFolderOccurs if you try to move a distinguished folder.
ErrorNameResolutionMultipleResultsIndicates that the ResolveNames method returned more than one result or that the ambiguous name that you specified matched more than one object in the directory. The response code includes the matched names in the response data.
ErrorNameResolutionNoMailboxIndicates that the caller does not have a mailbox on the system.
ErrorNameResolutionNoResultsOccurs if the ResolveNames method returns no results.
ErrorNoApplicableProxyCASServersAvailableThis member was introduced in Exchange Server 2010 Service Pack 1 (SP1).
ErrorNoCalendarOccurs if there is no Calendar folder for the mailbox.
ErrorNoDestinationCASDueToKerberosRequirementsIndicates that the request referred to a mailbox in another Active Directory site, but no Client Access servers in the destination site were configured for Windows Authentication and therefore the request could not be proxied.
ErrorNoDestinationCASDueToSSLRequirementsIndicates that the request referred to a mailbox in another Active Directory site, but no Client Access servers in the destination site were configured for SSL connections and therefore the request could not be proxied.
ErrorNoDestinationCASDueToVersionMismatchIndicates that the request referred to a mailbox in another Active Directory site, but no Client Access servers in the destination site were of an acceptable product version to receive the request and therefore the request could not be proxied.
ErrorNoFolderClassOverrideOccurs if you set the FolderClass property when you are creating an item other than a generic folder. For typed folders such as CalendarFolderType and TasksFolderType, the folder class is implied. Setting the folder class to a different folder type by using the UpdateFolder method results in the ErrorObjectTypeChanged response. Instead, use a generic folder type but set the folder class to the value that you require. Exchange Web Services will create the correct strongly typed folder.
ErrorNoFreeBusyAccessIndicates that the caller does not have free/busy viewing rights on the Calendar folder in question.
ErrorNonExistentMailboxIndicates one of the following: 1) The e-mail address is empty in the CreateManagedFolder method 2) the SMTP address does not map to a valid mailbox.
ErrorNonPrimarySmtpAddressOccurs when a caller passes in a non-primary SMTP address. The response includes the correct SMTP address to use.
ErrorNoPropertyTagForCustomPropertiesIndicates that MAPI properties in the custom range, 0x8000 and greater, cannot be referenced by property tags. You must use the PropertySetId property or the DistinguishedPropertySetId together with the PropertyName or PropertyId properties.
ErrorNoPublicFolderReplicaAvailableThis response code is not used.
ErrorNoPublicFolderServerAvailableThis member was introduced in Exchange Server 2010 Service Pack 1 (SP1).
ErrorNoRespondingCASInDestinationSiteIndicates that the request referred to a mailbox in another Active Directory site, but none of the Client Access servers in that site responded and therefore the request could not be proxied.
ErrorNotDelegateIndicates that the user is not a delegate for the mailbox. This error is returned by GetDelegate, RemoveDelegate, and UpdateDelegate method calls when the specified delegate user is not found in the list of delegates.
ErrorNotEnoughMemoryIndicates that the operation could not be completed because of insufficient memory.
ErrorObjectTypeChangedIndicates that the object type cannot be changed. For the CreateItem method, the ItemClass property must be consistent with the strongly typed item such as a Message or Contact.

For the UpdateItem or UpdateFolder method, you cannot change the item or folder class in such a way that the type of the item or folder will change. You can change the item or folder class to a more derived instance of the same type, such as IPM.Note -> IPM.Note.First. Note that when you call the CreateFolder method, if you try to override the folder class so that it is different than the strongly typed folder object, you will get an ErrorNoFolderClassOverride response.

ErrorOccurrenceCrossingBoundaryIndicates that the time allotment for a given occurrence overlaps with an earlier or later occurrence.
ErrorOccurrenceTimeSpanTooBigIndicates that the time allotment for a given occurrence overlaps with another occurrence of the same recurring item. This response also occurs if the length in minutes of a given occurrence is larger than Int32.MaxValue.
ErrorOperationNotAllowedWithPublicFolderRootIndicates that the current operation is not valid to be performed on the public folder root.
ErrorParentFolderIdRequiredThis response code is not used.
ErrorParentFolderNotFoundOccurs in the CreateFolder when the parent folder is not found.
ErrorPasswordChangeRequiredIndicates that you must change your password before you can access this mailbox. This occurs when a new account has been created and the administrator indicated that the user must change the password at first logon. You cannot update the password by using Exchange Web Services. You must use a tool such as Outlook Web Access to change your password.
ErrorPasswordExpiredIndicates that the password has expired. You cannot change the password by using Exchange Web Services. You must use a tool such as Outlook Web Access to change your password.
ErrorPhoneNumberNotDialableIndicates that the phone number was not in the correct format.
ErrorPropertyUpdateIndicates that the update failed because of invalid property values. The response message includes the invalid property paths.
ErrorPropertyValidationFailureThis response code is not used.
ErrorProxiedSubscriptionCallFailureIndicates that the request referred to a subscription that exists on another Client Access server, but an attempt to proxy the request to that Client Access server failed.
ErrorProxyCallFailedThis response code is not used.
ErrorProxyGroupSidLimitExceededIndicates that the request referred to a mailbox in another Active Directory site, and the original caller is a member of more than 3000 groups.
ErrorProxyRequestNotAllowedIndicates that the request that Exchange Web Services sent to another Client Access server when trying to fulfill a GetUserAvailability request was invalid. This response code likely indicates a configuration or rights error, or that someone is trying unsuccessfully to mimic an availability proxy request.
ErrorProxyRequestProcessingFailedIndicates that Exchange Web Services tried to proxy an availability request to another Client Access server for fulfillment, but the request failed. This response can be caused by network connectivity issues or request time-out issues.
ErrorProxyServiceDiscoveryFailedThis member was introduced in Exchange Server 2010 Service Pack 1 (SP1).
ErrorProxyTokenExpiredThis response code is not used.
ErrorPublicFolderRequestProcessingFailedOccurs when the recipient passed to the GetUserAvailability method is located on a computer that is running a version of Exchange Server that is earlier than Exchange 2007 and the request to retrieve free/busy information for the recipient from the public folder server failed.
ErrorPublicFolderServerNotFoundOccurs when the recipient passed to the GetUserAvailability method is located on an Exchange server that is running a version of Exchange that is earlier than Exchange 2007, and the request to retrieve free/busy information for the recipient from the public folder server failed because the organizational unit did not have a public folder server associated with it.
ErrorQueryFilterTooLongIndicates that the search folder restriction may be valid, but is not supported by Exchange Web Services. Exchange Web Services limits restrictions to contain a maximum of 255 filter expressions. If you try to bind to an existing search folder that exceeds 255, this response code is returned.
ErrorQuotaExceededOccurs when the mailbox quota is exceeded.
ErrorReadEventsFailedIndicates that the process for reading events was aborted because of an internal failure. Re-create the event synchronization based on a last known watermark.
ErrorReadReceiptNotPendingOccurs when an attempt has been made to suppress a read receipt when the message sender did not request a read receipt on the message.
ErrorRecurrenceEndDateTooBigOccurs when the end date for the recurrence is after 9/1/4500.
ErrorRecurrenceHasNoOccurrenceIndicates that the recurrence has no occurrence instances in the specified range.
ErrorRemoveDelegatesFailedIndicates that the delegate list failed to be saved after delegates were removed.
ErrorRequestAbortedThis response code is not used.
ErrorRequestStreamTooBigOccurs when the request stream is larger than 400 KB.
ErrorRequiredPropertyMissingIndicates that one or more of the required properties is missing from a CreateAttachment call. The response indicates which property path was not set.
ErrorResolveNamesInvalidFolderTypeIndicates that the caller has specified a folder that is not a Contacts folder to ResolveNames.
ErrorResolveNamesOnlyOneContactsFolderAllowedIndicates that the caller has specified more than one Contacts folder to ResolveNames.
ErrorResponseSchemaValidationOccurs when the response cannot be validated against the schema.
ErrorRestrictionTooLongOccurs when the restriction has more than 255 filters.
ErrorRestrictionTooComplexIndicates that the restriction that was passed cannot be evaluated by Exchange Web Services.
ErrorResultSetTooBigIndicates that the number of calendar entries for a given recipient exceeds the allowed limit of 1000. Reduce the window and try again.
ErrorInvalidExchangeImpersonationHeaderDataOccurs when an Exchange Impersonation header was passed in but it did not contain a security identifier (SID), user principal name (UPN), or PrimarySmtpAddress. This response code is always returned within a SOAP fault.
ErrorSavedItemFolderNotFoundIndicates that the folder in which to save the item does not exist.
ErrorSchemaValidationOccurs when the incoming request fails schema validation against types.xsd and messages.xsd. This response code is always returned within a SOAP fault.
ErrorSearchFolderNotInitializedIndicates that the search folder was created, but the search criteria were never set on the folder. This only occurs when you access corrupted search folders that were created by using another API or client. To fix this error, call UpdateFolder and set the SearchParameters to include the restriction that should be on the folder.
ErrorSendAsDeniedOccurs when both of the following conditions occur:
  • A user has been granted CanActAsOwner rights but is not granted delegate rights on the principal’s mailbox.

  • The same user tries to create and send an email message in the principal’s mailbox by using the SendAndSaveCopy option.

The result is an ErrorSendAsDenied error and the creation of the email message in the principal’s Drafts folder to prepare to be sent.

ErrorSendMeetingCancellationsRequiredOccurs during a DeleteItem call, when the SendMeetingCancellations property is missing from the request and the item to delete is a calendar item. If you are using the proxy objects, make sure that the SendMeetingCancellationsSpecified property is set to true.
ErrorSendMeetingInvitationsOrCancellationsRequiredOccurs during an UpdateItem method call, when the SendMeetingInvitationsOrCancellations property is missing from the request and the item to update is a calendar item. If you are using the proxy objects, make sure that the SendMeetingInvitationsOrCancellationsSpecified property is set to true.
ErrorSendMeetingInvitationsRequiredOccurs during a CreateItem method call, when the SendMeetingInvitations property is missing from the request and the item to create is a calendar item. If you are using the proxy objects, make sure that the SendMeetingInvitationsSpecified property is set to true.
ErrorSentMeetingRequestUpdateIndicates that after the organizer sends a meeting request, the request cannot be updated. To modify the meeting, modify the calendar item, not the meeting request.
ErrorSentTaskRequestUpdateIndicates that after the task initiator sends a task request, that request cannot be updated.
ErrorServerBusyOccurs when the server is busy.
ErrorServiceDiscoveryFailedIndicates that Exchange Web Services tried to proxy a user availability request to the appropriate forest for the recipient, but it could not determine where to send the request because of a service discovery failure.
ErrorStaleObjectOccurs in an UpdateItem or SendItem method call when the change key is not up to date or was not supplied. Call GetItem to retrieve an updated change key and then try the operation again.
ErrorSubmissionQuotaExceededIndicates that a user cannot immediately send more requests because the submission quota has been reached.
ErrorSubscriptionAccessDeniedIndicates that you tried to access a subscription by using an account that did not create that subscription. Each subscription can only be accessed by the creator of the subscription.
ErrorSubscriptionDelegateAccessNotSupportedIndicates that you cannot create a subscription if you are not the owner or do not have owner access to the mailbox.
ErrorSubscriptionNotFoundIndicates that the specified subscription does not exist. The subscription may have expired, the Exchange Web Services process may have been restarted, or an invalid subscription was passed in. If the subscription was valid, re-create the subscription with the latest watermark.
ErrorSubscriptionUnsubscribedThis member was introduced in Exchange Server 2010 Service Pack 1 (SP1).
ErrorSyncFolderNotFoundIndicates that the folder ID that was specified in the SyncFolderItems method call does not exist.
ErrorTimeIntervalTooBigIndicates that the time window that was specified is larger than the allowed limit. By default, the allowed limit is 42.
ErrorTimeoutExpiredOccurs when there is not enough time to complete the processing of the request.
ErrorTimeZoneIndicates that there is a time zone error.
ErrorToFolderNotFoundIndicates that the destination folder does not exist.
ErrorTokenSerializationDeniedOccurs if the caller tries to perform a token serialization request but does not have ms-Exch-EPI-TokenSerialization rights on the Client Access server he or she is calling.
ErrorUpdatePropertyMismatchOccurs when the single property path that is listed in a change description does not match the single property that is being set within the actual ItemType or FolderType object.
ErrorUnifiedMessagingDialPlanNotFoundIndicates that a user's dial plan is not available.
ErrorUnifiedMessagingRequestFailedIndicates that the user could not be found.
ErrorUnifiedMessagingServerNotFoundIndicates that a valid server for the dial plan could not be found to handle the request.
ErrorUnableToGetUserOofSettingsThis response code is not used.
ErrorUnsupportedSubFilterThis response code is not used.
ErrorUnsupportedCultureOccurs if you try to set the Culture property to a value that is not parsable by the System.Globalization.CultureInfo class.
ErrorUnsupportedMapiPropertyTypeOccurs if a caller tries to use extended properties of types object, object array, error or null.
ErrorUnsupportedMimeConversionOccurs when you are trying to retrieve or set MIME content for an item other than a PostItemType, MessageType, or CalendarItemType object.
ErrorUnsupportedPathForQueryIndicates that the property path cannot be used within a restriction.
ErrorUnsupportedPathForSortGroupIndicates that the property path cannot be used for sorting or grouping operations.
ErrorUnsupportedPropertyDefinitionThis response code is not used.
ErrorUnsupportedQueryFilterIndicates that the search folder restriction may be valid, but is not supported by Exchange Web Services. You can still call the FindItem method on the search folder restriction to retrieve the items in the search folder; however, you cannot get the actual restriction clause.
ErrorUnsupportedRecurrenceIndicates that the recurrence pattern that was supplied is not supported for tasks.
ErrorUnsupportedTypeForConversionIndicates that Exchange Web Services found a property type in the store but cannot generate XML for the property type.
ErrorUpdateDelegatesFailedIndicates that the delegate list failed to be saved after delegates were updated.
ErrorUserNotUnifiedMessagingEnabledIndicates that the requester is not enabled.
ErrorVoiceMailNotImplementedThis response code is not used.
ErrorValueOutOfRangeIndicates that a calendar view start date or end date was set to 1/1/0001 12:00:00 AM or 12/31/9999 11:59:59 PM.
ErrorVirusDetectedIndicates that the Exchange Store detected a virus in the message.
ErrorVirusMessageDeletedIndicates that the Exchange Store detected a virus in the message and deleted it.
ErrorWebRequestInInvalidStateThis response code is not used.
ErrorWin32InteropErrorIndicates that there was an internal failure during communication with unmanaged code.
ErrorWorkingHoursSaveFailedThis response code is not used.
ErrorWorkingHoursXmlMalformedThis response code is not used.
ErrorWrongServerVersionIndicates that a request can be made only to a server that is the same version as the mailbox server.
ErrorWrongServerVersionDelegateIndicates that a request was made by a delegate that has a different server version than the principal's mailbox server.
ErrorMissingInformationSharingFolderIdThis error code is never returned.
ErrorDuplicateSOAPHeaderIndicates that there are duplicate SOAP headers.
ErrorSharingSynchronizationFailedIndicates that an attempt at synchronizing a sharing folder failed. This error code is returned when: the subscription for a sharing folder is not found; the sharing folder is not found; the corresponding directory user is not found; the user no longer exists; the appointment is invalid; the contact item is invalid; there is a communication failure with the remote server.
ErrorSharingNoExternalEwsAvailableIndicates that the external URL property has not been set in the Active Directory database.
ErrorFreeBusyDLLimitReachedIndicates that the maximum group member count has been reached for obtaining free/busy information for a distribution list.
ErrorInvalidGetSharingFolderRequestIndicates that the DataType and ShareFolderId elements are both present in a request.
ErrorNotAllowedExternalSharingByPolicyIndicates that the caller attempted to grant permissions in its calendar or contacts folder to a user in another organization but the attempt failed.
ErrorUserNotAllowedByPolicyIndicates that the requester attempted to grant permissions in its calendar or contacts folder to an external user, but the sharing policy assigned to the requester indicates that the domain of the external user is not listed in the policy.
ErrorPermissionNotAllowedByPolicyIndicates that the requester attempted to grant permissions in its calendar or contacts folder to an external user, but the sharing policy assigned to the requester indicates that the requested permission level is higher is than what the sharing policy allows.
ErrorOrganizationNotFederatedIndicates that the requester's organization is not federated, so the requester cannot create sharing messages to send to an external user or cannot accept sharing messages received from an external user.
ErrorMailboxFailoverIndicates that an attempt to access a mailbox failed because the mailbox is in a failover process.
ErrorInvalidExternalSharingInitiatorIndicates that the sharing invitation sender did not create the sharing invitation metadata.
ErrorMessageTrackingPermanentErrorIndicates that the message tracking service cannot track the message.
ErrorMessageTrackingTransientErrorIndicates that the message tracking service is either down or busy. This error code indicates a transient error. When clients receive this error, they can try again to connect to the server.
ErrorMessageTrackingNoSuchDomainIndicates that the specified domain cannot be found.
ErrorUserWithoutFederatedProxyAddressIndicates that the requester's organization has a set of federated domains but the requester's organization does not have any SMTP proxy addresses with one of the federated domains.
ErrorInvalidOrganizationRelationshipForFreeBusyIndicates that a caller requested free/busy information for a user in another organization but the organizational relationship does not have free/busy enabled.
ErrorInvalidFederatedOrganizationIdIndicates that the requestor's organization federation objects are not properly configured.
ErrorInvalidExternalSharingSubscriberIndicates that a sharing message is not intended for the caller.
ErrorInvalidSharingDataIndicates that the sharing metadata is not valid. This can be caused by invalid XML.
ErrorInvalidSharingMessageIndicates that the sharing message is not valid. This can be caused by a missing property.
ErrorNotSupportedSharingMessageIndicates that the sharing message is not supported.
ErrorApplyConversationActionFailedThis member was introduced in Exchange Server 2010 Service Pack 1 (SP1).
ErrorInboxRulesValidationErrorThis member was introduced in Exchange Server 2010 Service Pack 1 (SP1).
ErrorOutlookRuleBlobExistsThis member was introduced in Exchange Server 2010 Service Pack 1 (SP1).
ErrorRulesOverQuotaThis member was introduced in Exchange Server 2010 Service Pack 1 (SP1).
ErrorNewEventStreamConnectionOpenedThis member was introduced in Exchange Server 2010 Service Pack 1 (SP1).
ErrorMissedNotificationEventsThis member was introduced in Exchange Server 2010 Service Pack 1 (SP1).

This enumeration is used by the ResponseCode property of the ResponseMessageType object.

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