Charles, At least with UV, I'm pretty sure that the host name/ip needs to be registered in either DNS or the "etc\hosts" file of the client. Stuart Boydell
-----Original Message----- From: u2-users-boun...@listserver.u2ug.org [mailto:u2-users-boun...@listserver.u2ug.org] On Behalf Of Charles Carroll Sent: Tuesday, 6 April 2010 00:16 To: u2-users@listserver.u2ug.org Subject: [U2] OpenSession throwing 81011 error UniSession us = null; try { // us = UniObjects.OpenSession("10.10.10.10", "userid", "password", "TALK2UDT","ud"); us = UniObjects.OpenSession("10.10.10.10", "userid", "password", "TALK2UDT"); } SocketException caught!!!SystemNo such host is known[IBM U2][UODOTNET - UNIRPC][ErrorCode=81011] The host name is not valid, or the host is not responding Source: UniRPCConnection Class Method: Void set_Host(System.String) at IBMU2.UODOTNET.UniRPCConnection.set_Host(String value) _______________________________________________ U2-Users mailing list U2-Users@listserver.u2ug.org http://listserver.u2ug.org/mailman/listinfo/u2-users _______________________________________________ U2-Users mailing list U2-Users@listserver.u2ug.org http://listserver.u2ug.org/mailman/listinfo/u2-users