Archive for October 6th, 2014

How to fix “Windows NT user or group servername\Administrators not found” in MSSQL

Trying to add the local administrators group to a SQL server with sys admin (sa) server roles? Getting the error?below? I have a very simple fix. Windows NT user or group ‘COMPUTERNAME\Administrators’ not found. Check the name again. (Microsoft SQL Server, Error: 15401) Instead of adding “COMPUTERNAME\Administrators” change it to “BUILTIN\Administrators” and it will work […]

Read More →