Prerequisites
Unregister all the instances associated with the MS SQL server.
Procedure
-
In the Microsoft SQL
Servers page, click the server that you want to unregister.
-
From the
Actions menu, click
Unregister.
-
At the prompt, click
OK.
NOTE: You cannot unregister an MS SQL server if protection is configured for the same server. Also, you need to disassociate all the configured and existing protections that exist for the instance and databases.