SQL Server2005代理已禁用XP的处理方法

SQL Server2005代理已禁用XP的处理方法：

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sp_configure 'show advanced options', 1;??
GO??
RECONFIGURE WITH OVERRIDE;?? --加上WITH OVERRIDE??
GO??
sp_configure 'Agent XPs', 1;??
GO??
RECONFIGURE WITH OVERRIDE???? --加上WITH OVERRIDE??
GO?