The following error can bee seen in the Windows Event Viewer for the Active Roles Admin Service:
Synchronization Service requires a configured database. Configure a database, and then try again.
The user Domain\ServiceAccount does not have the required permissions to work with the database SQL-DATABASE. Confirm that the Service Account has the required minimum permission of db_owner role for the database, and restart Synchronization Service.
Complete the first workaround below, and if restarting the Synchronization Service doesn't resolve the issue proceed to workaround 2: