2021 Microsoft 365 Microsoft Teams Office 365

Microsoft Teams – Direct Routing: Error “Filter failed to return unique result” (duplicated phone number – duplicated DDI or duplicated DID)

Fabrizio Volpe

When enabling a user to Microsoft Teams Direct Routing (let’s say with a phone number – DDI “+44zzzzzzzzzz”) you could have the following error
Filter failed to return unique result, “[SipAddress : sip:yyyyy@xxxx.com] [LineURI :
tel:+44zzzzzzzzzz] [PrivateLine : tel:+44zzzzzzzzzz] “InvalidOperation: (Set-CsUser:String) [Set-CsUser], InvalidOperationException
+ FullyQualifiedErrorId : ProcessRecord,Microsoft.Rtc.Management.AD.Cmdlets.SetOcsUserCmdlet
+ PSComputerName : api.interfaces.records.teams.microsoft.com
The error is usually due to the phone number (DDI) being already assigned to another user.
To identify who is the user with the DDI assigned you can use the script below

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2021 Microsoft 365 Microsoft Teams Office 365

Microsoft Teams (Admin Center)- Directory Status – Online, Unlicensed and Unknown

Fabrizio Volpe

Directory Status is a piece of information shown in the Teams Admin Center.
The different statuses are not explained in a clear way in the Microsoft documentation.
Unlicensed and Unknown) and to the fact that some users are not shown at all.
In a nutshell, Directory Status depends on the different values inside the InterpretedUserType parameter

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