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Error in the Office 365 portal: "Value of msRTCSIP-PrimaryUserAddress or the SIP address in the ProxyAddresses field in your local Active Directory is not unique"
Article ID: 2430520 - View products that this article applies to.
Not sure what release of Office 365 you're using? Go to the following Microsoft website:
Am I using Office 365 after the service upgrade?
Administrators may receive the following error message in the Microsoft Office 365 portal:
The users who have duplicate msRTCSIP-PrimaryUserAddress won’t be able to sign in to Microsoft Lync Online or chat with other contacts.
For this user the value of msRTCSIP-PrimaryUserAddress or the SIP address in the ProxyAddresses field in your local Active Directory is not unique. Correct the value in your Active Directory.
If you're using directory synchronization, locate and correct the duplicate attributes. To do this, follow these steps:
If you don't use directory synchronization, contact Office 365 technical support.
This problem occurs if the value of the msRTCSIP-PrimaryUserAddress attribute or the value of the Session Initiation Protocol (SIP) proxy address is the same for two users in Office 365.
Note Even though the error message specifically states that the value in the local Active Directory isn't unique, you may experience this issue even though you aren't using the Windows Azure Active Directory Sync Tool. If you don't use Directory Synchronization, contact Office 365 technical support for help with resolving the issue.
For more information about how to check the value of the msRTCSIP-UserEnabled attribute, go to the following Microsoft Knowledge Base article:
2705378For more information about how to detect duplicate or invalid attributes that might prevent synchronization, go to the following Microsoft Knowledge Base article:
(http://support.microsoft.com/kb/2705378/ )Error message when you try to sign in to Lync Online: "Cannot sign in to Lync because this sign-in address was not found"
For more information about ADSI Edit, go to the following Microsoft website:
(http://support.microsoft.com/kb/2647098/ )Duplicate or invalid attributes prevent directory synchronization in Office 365
http://technet.microsoft.com/en-us/library/cc731547(WS.10).aspxFor more information about how to force directory synchronization, go to the following Microsoft website:
Still need help? Go to the Office 365 Community
Article ID: 2430520 - Last Review: May 15, 2013 - Revision: 24.0