Failed to update the list of domains in this forest to synchronize. User Replicator doesn't have a list from a previous cycle, ...

Lync Server 2010

Failed to update the list of domains in this forest to synchronize.  User Replicator doesn't have a list from a previous cycle, and therefore cannot synchronize any users.

Error: %1 (%2)
Cause: Usually indicates that Lync Server is unable to access the CN=Configuration,CN=Partitions,DC=THIS DOMAIN portion of Active Directory.
Resolution:
Determine why the service account that User Replicator runs under cannot access the above portion of Active Directory.

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