MSFT_SIPIIMFilterFileFilterSetting class

Communications Server 2007 Server SDK Documentation


Specifies the action to perform for a file transfer request during an IM session.

The following syntax is simplified from Managed Object Format (MOF) code and includes all inherited properties. Properties are listed in alphabetic order, not MOF order.

class MSFT_SIPIIMFilterFileFilterSetting
  string Action;
  [key] string Backend;
  boolean Enabled;
  [key] string InstanceID;
  string[] Schemes;


This class does not define any methods.


The MSFT_SIPIIMFilterFileFilterSetting class has the following properties.

Data type: string

Access type: Read/Write

Required. Specifies the action to perform on IM messages that contain a file transfer request.

The value of this property is not case-sensitive.

"BlockAll"All instant messages that contain file transfer requests are dropped by the server, and an error message is returned to the sender of the request. Additionally, the handout feature in the Office Live Meeting 2007 client is disabled.
"BlockList"Office Communications Server filters only those file transfer requests which contain a file extension that is specified by Schemes property.

The default value is BlockList.

Data type: [key] string

Access type: Read-only

Must be empty when accessing data from Edge Server or Proxy Server roles. Required when accessing data from any role that belongs to a pool.

The computer name (either the FQDN or NetBIOS name) and SQL Server instance name of the Office Communications Server 2007, back-end database (configuration data is stored in the same SQL instance as user data, but in a different database). Indicates where this class is stored, which varies depending on the server role.

Server RoleAcceptable Values
Enterprise EditionSQL_Instance_Name
Standard Edition(local)\rtc
Access Edge Server and Forwarding ProxyEmpty string
Data type: boolean

Access type: Read/Write

Required. Indicates whether IM filtering is performed for file transfers during IM conversations.

If true, filtering is performed according to the parameters set by the additional properties of this class. If false, Office Communications Server passes all file transfer requests that are made during IM conversations.

The default value is true.

Data type: [key] string

Access type: Read-only A GUID value that uniquely identifies an instance of this class.

The GUID must be encapsulated between the "{" and "}" braces; for example: "{01234567-0123-4567-89AB-CDEF01234567}".

Data type: string[]

Access type: Read/Write

Optional. Specifies the list of file extensions that will be blocked if file filtering is enabled.

A single dot "." blocks transfer for any file that does not have an extension. The default list includes following file extensions: ".ade", ".adp", ".app", ".asp", ".bas", ".bat", ".cer", ".chm", ".cmd", ".com", ".cpl", ".crt", ".csh", ".exe", ".fxp", ".grp", ".hlp", ".hta", ".inf", ".ins", ".isp", ".its", ".js", ".jse", ".ksh", ".lnk", ".mad", ".maf", ".mag", ".mam", ".maq", ".mar", ".mas", ".mat", ".mau", ".mav", ".maw", ".mda", ".mdb", ".mde", ".mdt", ".mdw", ".mdz", ".msc", ".msi", ".msp", ".mst", ".ocx", ".ops", ".pcd", ".pif", ".pl", ".pnp", ".prf", ".prg", ".ps1", ".ps2", ".ps1xml", ".ps2xml", ".psc1", ".psc2", ".pst", ".reg", ".scf", ".scr", ".sct", ".shb", ".shs", ".tmp", ".url", ".vb", ".vbe", ".vbs", ".vsd", ".vsmacros", ".vss", ".vst", ".vsw", ".ws", ".wsc", ".wsf", ".wsh".

The value of this property is not case-sensitive.


This class gets and sets information at the following level(s): WMI, SQL.

If this class is installed on a server whose role has "Pool" scope, the scope of this class is "Pool" and settings are stored in SQL. In this case, only one instance of this class can be present in the pool. For a list of server roles and their corresponding WMI class scopes, see WMI Class Management Scopes and Roles.

Instances of this class support the following interface methods:

  • Provider::EnumerateInstances();
  • Provider::GetObject();
  • Provider::PutInstance();

    Where PutInstance() supports the following flag(s):



Server: Installed on computers serving the following role(s): Administrative Tools Server, Access Edge Server, Front End Server, Web Conferencing Server.
Namespace: Defined in \root\cimv2.

See Also

Communications Server WMI Reference

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