BackupAssist provides a utility for restoring the master database to a local SQL server in just a few simple steps. The master database is composed of important system tables and catalogs and is critical to your SQL server. If you are restoring your SQL server after a disaster or new installation, it is advised that you restore the master database before restoring any other database.
The restore utility can be used to restore all other databases remotely but not the master database. If you need to restore the master database to a remote SQL server you should install BackupAssist on the remote server itself. The installation does not need to be licensed to use the utility and you can even run SQLRestore.exe from the BackupAssist installation directory if the trial has expired.
To restore the master database: