Cannot connect to computer: Error is 138

Forums / NoMachine for Windows / Cannot connect to computer: Error is 138


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  • #6060


    I cannot connect my vps and local computer with NoMachine.

    But the other computers can connect my pc with NoMachine.

    I opened 4000 port from router, disabled norton internet security’s firewall but it didnt work.

    I have no problem with X2go client,Pyhoca gui,Rdp Tight vnc.

    My server and client logs are in Attachments.



    HI Mustr,

    Are you forwarding port 4000 on your router to port 4000 on machine with NoMachine installed?

    Can you tell us which VPS are you using?





    my vps lubuntu+xfce

    my pc>>>windows 8.1 64

    local computer>>>windows 7

    my friend computer>>>windows 8 64 bit


    and i cannot connect any NoMachine server.

    by the way i disabled router firewall

    deleted windows hosts file and recreated. but it didnot work.




    Unfortunately we will more info to help you solve this issue.

    Can you give us a overview of your network including address of your NoMachine servers, address of router, external address of router and other things you think that can be useful?

    Additionally explain how you configured your router to let external clients connect to your NoMachine server.

    Please send that info to forum[at]nomachine[dot]com referencing your topic.

Viewing 4 posts - 1 through 4 (of 4 total)

Closed because the user did not provide further feedback. Please notify us if you confirm that it is resolved or open a new topic if you have the same problem.