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  • The first reason this could be happening, is port conflicts.
    • If your job lands on a node that has a job already using the port you are attempting to, you will not be able to connect.

    • You can attempt to launch your job on a new node, or you can change the port you’re using and launch the job again.

  • The second reason this could be happening, is that some department based VPNs are not part of the trusted network that will allow this.
  • If you wish to avoid dealing with ports for GUI based software, you can check out what software we have available through Open on Demand.
  • You can also use port fowarding to get around the second reason for being unable to connect.

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