report server联接超时.

report server连接超时.....
我想连接本机上的report server服务器,但是总是提示连接超时,偶尔可以连上服务器,请问一下这是什么原因呢?
错误提示为:
Cannot connect to WINNER\DIYSQLSERVER.
additional information:
  the operation has timed out(microsoft.SqlServer.Management.UI.RSClient)

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SQL code

路过..