
However, if your connection is public, you can use the – U and – P flags. Use the – S flag if you have a trusted connection.To use the command line tool, perform the below steps: Once you have activated the Single client mode, you are ready to use the command line SQL Server Management studio to recover your master database from backup. When you execute these steps, you will enter into the single client mode, which is a must do requirement to recover SQL master database from the backup.


Note: If your master database is inaccessible, stop now and make duplicates of your msdb and model database records!
