若要還原 master 資料庫，伺服器必須以單一使用者模式執行。如需有關啟動單一使用者模式的資訊，請參閱線上叢書中的＜如何：啟動 SQL Server 的執行個體 (sqlservr.exe)＞(How to: Start an Instance of SQL Server (sqlservr.exe))"。
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English version
To restore the master database, the server must be running in single-user mode. For information on starting in single-user mode, see "How to: Start an Instance of SQL Server (sqlservr.exe)" in Books Online.
SQL Server