启用Ad Hoc Distributed Queries：

exec sp_configure ‘show advanced options‘,1   

reconfigure   

exec sp_configure ‘Ad Hoc Distributed Queries‘,1   

reconfigure       

关闭Ad Hoc Distributed Queries：

exec sp_configure ‘Ad Hoc Distributed Queries‘,0   

reconfigure   

exec sp_configure ‘show advanced options‘,0   

reconfigure