6220 functionName failed to connect to client (nodeID) at port (portNumber)
Explanation: The specified function fails to connect to Agent hostID at TCP/IP port portNumber, and therefore the request is aborts.
Control-M/Server attempts to connect to a communication channel.
Corrective Action:
Check that Agent hostID is up and running.
Check that TCP/IP port portNumber is correct.
Check that Agent hostID exists. If Agent hostID does not exist, the next time you shut down Control-M/Server, delete CTM HOME/ctm/data/AGPRM/hostID and CTM HOME/ctm/data/AGSTAT/hostID.