Parameters

Administrators have the option of attaching an ms-diagnostic header to each SIP message sent in their organization. This message (which is not visible to end users) contains information that might be useful in troubleshooting connection problems or in reporting errors. For example, the diagnostic header might contain error codes that enable the client application to take a predetermined course of action should a specific situation arise.

For SIP messages sent within your internal network, there’s little reason not to include these diagnostic headers: they have a minimal impact on message size and can be an invaluable tool for administrators trying to troubleshoot connectivity problems. However, diagnostic headers also contain information -- such as the fully qualified domain names (FQDNs) of your SIP servers -- that you might not want to make available to people outside the internal network. Because of this, the diagnostic header configuration settings enable you to decide whether you want diagnostic headers sent to users on external networks (such as users in a federated domain) and/or to outside users. (Outside users are users who have connected from outside the internal network and have not yet been authenticated.)

Alternatively, you can create custom settings at the site scope or at the service scope (for the Edge Server or Registrar service). That way, you can choose to include diagnostic headers on messages sent from one site, or through one Edge Server, while disallowing headers on messages sent from other sites or through other Edge Servers.

Any new collections you create (at either the site or the service scope) can later be removed by using the Remove-CsDiagnosticHeaderConfiguration cmdlet. You can also run this cmdlet against the global collection. In that case, however, the global collection will not be removed because you can’t remove the global collection. Instead, the two properties contained in the global collection -- SendToExternalNetworks and SendToOutsideUnauthenticatedUsers -- will be reset to their default values (which, in each case, is False).

Who can run this cmdlet: By default, members of the following groups are authorized to run the Remove-CsDiagnosticHeaderConfiguration cmdlet locally: RTCUniversalServerAdmins. To return a list of all the role-based access control (RBAC) roles this cmdlet has been assigned to (including any custom RBAC roles you have created yourself), run the following command from the Windows PowerShell prompt:

Get-CsAdminRole | Where-Object {$_.Cmdlets –match "Remove-CsDiagnosticHeaderConfiguration"}

Microsoft.Rtc.Management.WritableConfig.Settings.Diagnostics.DiagnosticHeaderSettings object. Remove-CsDiagnosticHeaderConfiguration accepts pipelined instances of the diagnostic header settings object.

None. Instead, Remove-CsDiagnosticHeaderConfiguration deletes existing instances of the Microsoft.Rtc.Management.WritableConfig.Settings.Diagnostics.DiagnosticHeaderSettings object.

-------------------------- Example 1 ------------------------

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Remove-CsDiagnosticHeaderConfiguration -Identity site:Redmond

In Example 1, the diagnostic header configuration settings that have the Identity site:Redmond are removed.

-------------------------- Example 2 ------------------------

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Get-CsDiagnosticHeaderConfiguration -Filter service:* | Remove-CsDiagnosticHeaderConfiguration

The command shown in Example 2 deletes all the diagnostic header configuration settings that have been applied at the service scope. To do this, the command first calls Get-CsDiagnosticHeaderConfiguration and the Filter parameter. The filter value "service:*" limits the returned data to those settings where the Identity begins with the characters "service:". This filtered collection is then piped to Remove-CsDiagnosticHeaderConfiguration, which deletes each item in the collection.

-------------------------- Example 3 ------------------------

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Get-CsDiagnosticHeaderConfiguration | Where-Object {$_.SendToExternalNetworks -eq $True} | Remove-CsDiagnosticHeaderConfiguration

The preceding command deletes all the diagnostic header configuration settings that allow sending to external networks. To do this, the command first uses Get-CsDiagnosticHeaderConfiguration to return a collection of all the diagnostic header settings currently in use. This collection is piped to the Where-Object cmdlet, which picks out only those settings where the SendToExternalNetworks property is equal to True. These settings are then piped to Remove-CsDiagnosticHeaderConfiguration, which deletes each setting that allows sending to external networks.

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