TSMVS0005 Could not connect to z/OS.

An ISPFCOMMAND tool could not be executed because a z/OS connection could not be established completely. (XXXX) this is either caused by a network problem or an issue while loading a model while connecting.

User Response:
  • Check your network connection to the server.
  • Check your server definition in the client (host name, port).
Server Administrator Response:
  • Verify that the host server is up and running correctly.
  • Check the error details. If the underlying error message correlates to an issue while loading a model, please verify that the model under the specified location of the "zExpConf" attribute of the master configuration exists, is accessible and valid. If no "zExpConf" attribute is defined in the master configuration, an internal client error occurred.