SQL Server 備份異常

查看Management→Database Maintenance Plans內正常
再於Management→SQL Server Agent→Jobs內查看工作計劃右鍵Start Job顯示錯誤如下：
"Error 22022: SQLServerAgent is not currently running so it cannot be notified of this action"

查看"服務" SQLSERVERAGENT未啟動，啟動後再測試正常運作。