The client was unable to establish connection because of an error during connection initialization process before login. Possible causes include the following: the client tried to connect to an unsupported version of SQL Server, the server was too busy to accept new connections; or there was a resource limitation (insufficient memory or maximum allowed connections) on the server. (provider : Shared Memory Provider: Error :0 – No process is on the other end of the pipe.) (Microsoft SQL Server, Error:233)