Need help with CCI connectivity

Document ID : KB000105782
Last Modified Date : 09/07/2018
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I am installing Datacom Server and CCITCP (client-server). I have not been able to connect successfully with CCI-PC and need help figuring out what I am missing or have configured incorrectly. 
The CCITCP initialization went fine, but its joblog does not show any incoming connections when the CCIPC test button was done. CCIPC then timed out. There could be a firewall setting interfering with the TCP connection to port 102
Once the firewall problem had been resolved CCIPC was able to connect to CCITCP (over port 1202).