At Nt Log In: Avoid These Common Pitfalls That Lead To Identity Theft - 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: The Nt prefix is an abbreviation of Windows NT, but the Zw prefix has no meaning. Zw was selected partly to avoid potential naming conflicts with other APIs, and partly to avoid using any potentially.