Session negotiation failed on Windows 11

Forums / NoMachine for Windows / Session negotiation failed on Windows 11

Viewing 6 posts - 1 through 6 (of 6 total)
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  • #36461
    alexsmith
    Participant

    Hi,

    I am having trouble connecting to a machine running Windows 11 and I’m not sure if its just because NoMachine is not compatible with Windows 11 yet or another issue. I am using the free version and it is up to date. I have also tried reinstalling after removing completely.

    The server says it is running and the gateway port shows it is working (and have also tried with UPnP disabled and forwarded the port with the same result). I have tried using password authentication (although no password is set on this machine but that doesnt stop me connecting to another machine without a password) and I’ve tried using a private key. Both give the session negotiation error. This happens both externally and locally. I can use this machine to connect to other computers without any issue.

    I am using Windows firewall and NoMachine is allowed for all the entries added.
    The user nx has the following permissions:

    Act as part of the operating system
    Log on as a service
    Adjust memory quotas for a process
    Replace a process level token

    I thought it was machine specific so I span up a Windows 11 VM on another computer and I have the same issue, so I’m leaning towards a Windows 11 issue. Is anyone else using Windows 11 and got it working? Is there any settings i can check?

    If you would like logs, which ones would you need?

    Thanks

     

    #36501
    Britgirl
    Keymaster

    Hi, NoMachine is compatible with Windows 11. Out of interest, did you also try connecting from a different client-side computer to this Windows 11 host?

    We aren’t aware of similar problems with this version, so the best thing is for us to check the logs of the affected Windows 11 host. Can you follow the instructions here and then send the logs you extract via email to forum[at]nomachine[dot]com? Just put the topic title in the subject of your email. Thanks!

    https://knowledgebase.nomachine.com/DT11R00182#2

    #36502
    Britgirl
    Keymaster

    (although no password is set on this machine but that doesnt stop me connecting to another machine without a password)

    Something I missed is what you wrote just above. This might be an important factor here. Please see here: https://forums.nomachine.com/topic/access-windows-pc-that-doesnt-have-password

    #36506
    alexsmith
    Participant

    Ah, this might make sense. I didn’t change anything on the Windows 10 machines I didnt think (but maybe i did years ago) and i know Microsoft wants Windows 11 to be more secure i will give this a try and if this doesn’t work I’ll email the logs from the host machine

    #36507
    alexsmith
    Participant

    The password issue was the problem. Either setting Windows to allow remote login without a password and/or setting a password fixes the issue.

     

    Thanks

    #36516
    Britgirl
    Keymaster

    Ok Alex, thanks for letting us know 🙂

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