vCenter Server is installed as a local system account on a local SQL Server database with Integrated Windows NT Authentication. When you add an Integrated Windows NT Authentication user to the local database server, vCenter Server fails to start.

If you install an instance of vCenter Server as a local system account on a local SQL Server database with Integrated Windows NT Authentication, and you add an Integrated Windows NT Authentication user to the local database server with the same default database as vCenter Server, vCenter Server fails to start.

Take one of the following actions.

Remove the Integrated Windows NT Authentication user from the local SQL database server.

Change the default database for the local system user account to the vCenter Server database for the SQL Server user account setup.