通常发生这种情况是因为您尚未在实例上启用远程连接.

http: //blogs.msdn.com/b/walzenbach/archive/2010/04/14/how-to-enable-remote-connections-in-sql-server-2008.aspx [

Normally when this happens it''s because you haven''t enabled remote connections on the instance.

http://blogs.msdn.com/b/walzenbach/archive/2010/04/14/how-to-enable-remote-connections-in-sql-server-2008.aspx[^]