Login failed for user 'NT AUTHORITY\SYSTEM' I tried to add NT AUTHORITY/SYSTEM to SSMS (SQL Server Management Studio) logins, but it was already a principal, showing the following error:
One solution is to change the SQL server security settings and grant an appropriate role to the NT AUTHORITY\System user which allows a process running as the localsystem user to create the.
Apr 27, 2015 · For some specific purpose , I need to add NT SERVICE\MSSQLSERVER account to Administrator Group . It can be done through Computer Management->Local Users and Groups.