-- Enable Hide Instance Option -- CIS 2.12 Check (Surface Area Reduction) EXEC master..xp_instance_regwrite @rootkey = N'HKEY_LOCAL_MACHINE', @key = N'SOFTWARE\Microsoft\MSSQLServer\MSSQLServer\SuperSocketNetLib', @value_name = N'HideInstance', @type = N'REG_DWORD', @value = 1;