HPS5052

Cannot set up a connection to the host using the following session properties: {0}

Cannot connect to the host (TN server) specified in the connection specification file for this application.

Examine the host name and port number for the TN server that is in the connection specification file for this application. Check that TCP/IP connectivity to the TN server is available using the ping program. If that succeeds, then use an emulator for the right terminal type and check if the TN server is operational.