To change the port that the TX server listens on

  1.  use the command line option SPTXserver.exe –port with the new port number to use.
  2.  On all client connections, enter the server name with a colon and port number at the end to indicate the port to connect on.
  3. Since the TX Server runs as a service, you need to configure how the service starts in the registry. Open HKLM\System\CurrentControlSet\Services\TriSPTXSvc. Modify “ImagePath” to include the command line option, “ -port 443”. Restart the service.