After decommissioning an old Domain Controller I started to see Error 31196 crop up in our Lync server error logs, one of the messages I saw said- Collaboration platform has failed to provision the data. Collaboration platform has failed to provision the data because of the following exception: Exception: Microsoft.Rtc.Collaboration.ProvisioningFailureException:Cannot read contacts from Active Directory: Active Directory server “<yourservernamehere>” is… Read more