Microsoft Communicator error ” Cannot Synchronize Address Book “

Office 2010 Support ― A common issue we see is clients getting an error stating “Cannot Synchronize Address Book”. It looks like this: This is an action that the OCS installation doesn’t take care of automatically so it happens pretty regularly. To resolve it, select the Directory Security tab and click on the Server Certificate Button After you click on the Server Certificate button, follow the Wizard, select Assign an Existing Certificate and assign the certificate used by your OCS Server for client logins[...]