資料庫鏡像預設為停用。資料庫鏡像目前只提供作評估用途，不能用於實際執行環境。要啟用資料庫鏡像作為評估用途，請於啟動時使用追蹤旗標 1400。如需關於追蹤旗標和啟動選項的詳細資訊，請參閱《SQL Server 線上叢書》。

Database mirroring is disabled by default. Database mirroring is currently provided for evaluation purposes only and is not to be used in production environments. To enable database mirroring for evaluation purposes, use trace flag 1400 during startup. For more information about trace flags and startup options, see SQL Server Books Online.