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Permits the proprietary ms-diagnostics header to be included in messages sent to federated partners and unauthenticated users.

The error IDs and reason values for ms-diagnostic headers are documented in the “Appendix A: Diagnostics Header Error ID and Reason Values” section of the [MS-OCER]: Client Error Reporting Protocol Specification at

The MSFT_SIPDiagnosticHeader class properties do not map to the Office Communications Server administrative tools.

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_SIPDiagnosticHeader
  boolean EnableHeaderForFederatedUsers;
  boolean EnableHeaderForUnAuthenticatedUsers;
  [key] string InstanceID;


This class does not define any methods.


The MSFT_SIPDiagnosticHeader class has the following properties.


Data type: boolean

Access type: Read/Write

Required. Controls whether the ms-diagnostics header is included in messages sent to federated partners.

The default value is False.


Data type: boolean

Access type: Read/Write

Required. Controls whether the ms-diagnostics header is included in messages sent to unauthenticated users.

The default value is False.


Data type: [key] string

Access type: Read-only

Required. 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}".


This class gets and sets information at the following level: WMI.

Only one instance of this class can be present.

Important noteImportant

If either EnableHeaderForUnAuthenticatedUsers or EnableHeaderForFedeartedUsers is set to True, there is a risk that information about enterprise users or the topology will be sent to unauthenticated users or to federated users.

Instances of this class support the following interface methods:

  • Provider::EnumerateInstances();

  • Provider::GetObject();

  • Provider::PutInstance();

    Where PutInstance() supports the following flags:




Server: Installed on computers serving the following role: Access Edge Server.

Namespace: Defined in \root\cimv2.