System.Runtime.Remoting.RemotingException: Tcp transport error.

Server stack trace: 
in <0x0008f> System.Runtime.Remoting.Channels.Tcp.TcpMessageIO:ReceiveMessageStatus (System.IO.Stream networkStream, System.Byte[] buffer)
in <0x00184> System.Runtime.Remoting.Channels.Tcp.TcpClientTransportSink:ProcessMessage (IMessage msg, ITransportHeaders requestHeaders, System.IO.Stream requestStream, ITransportHeaders responseHeaders, System.IO.Stream responseStream)
in <0x0024c> System.Runtime.Remoting.Channels.BinaryClientFormatterSink:SyncProcessMessage (IMessage msg)

Exception rethrown at [0]: 
 ---> System.Runtime.Remoting.RemotingException: Connection closed
in <0x0006c> System.Runtime.Remoting.Channels.Tcp.TcpMessageIO:StreamRead (System.IO.Stream networkStream, System.Byte[] buffer, Int32 count)
in <0x00044> System.Runtime.Remoting.Channels.Tcp.TcpMessageIO:ReceiveMessageStatus (System.IO.Stream networkStream, System.Byte[] buffer)--- End of inner exception stack trace ---

in <0x0008f> System.Runtime.Remoting.Channels.Tcp.TcpMessageIO:ReceiveMessageStatus (System.IO.Stream networkStream, System.Byte[] buffer)
in <0x00184> System.Runtime.Remoting.Channels.Tcp.TcpClientTransportSink:ProcessMessage (IMessage msg, ITransportHeaders requestHeaders, System.IO.Stream requestStream, ITransportHeaders responseHeaders, System.IO.Stream responseStream)
in <0x0024c> System.Runtime.Remoting.Channels.BinaryClientFormatterSink:SyncProcessMessage (IMessage msg)