At Nt Log In: I Can’t Believe How Easy It Was To Be Hacked! - Ripple Post
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: 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.