Lync 2010 – ‘The address book is preparing to synchronize. Search results might not be current’
KB ID 0000529 Problem Saw this on a brand new installation on my test bench, I left it overnight and the problem still did not resolve. Solution 1. On the Lync 2010 Server launch the “Lync Server Management Shell” and execute the following command: Update-CsAddressBook 2. Go and have a cup of coffee, then come back and check in the event logs, you should see, Event 21005 (Sync has Started), 21010 (Sync has completed),...