RGS Clients: The service failed to connect to the SQL backend. The service failed to connect to the SQL backend because of ...

RGS Clients: The service failed to connect to the SQL backend.

The service failed to connect to the SQL backend because of the following exception:
Exception: %3
SQL Server: %4

Resolution:
Check the connectivity between the service and backend. Also check the permissions on the backend database.
Make sure the SQL Server has the correct version of the tables installed.