Symptoms
When you deploy Microsoft Lync Server 2010 in an environment, the Session Initiation Protocol (SIP) addresses in the address book file are missing. Additionally, a Lync 2010 client does not show the correct search result.
Cause
This issue occurs because the Address Book server incorrectly resets the user data synchronization time before the synchronization starts. As a result, the user data is not synchronized.
Resolution
To resolve this issue, install the following cumulative update:
2592292 Description of the cumulative update for Lync Server 2010: August 2011
Workaround
To work around this issue, run the Update-CsAddressBook command on the Lync Server 2010 server.
More Information
For more information about the Update-CsAddressBook command, visit the following Microsoft website:
General information about the Update-CsAddressBook command
For more information about the Address Book service, visit the following Microsoft website:
