Forum / NoMachine for Windows / Issues when connecting to Win 11 server
- This topic has 5 replies, 2 voices, and was last updated 3 months, 2 weeks ago by
Britgirl.
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May 1, 2024 at 16:05 #47991
Pop06095
ParticipantGreetings,
I’ve seen similar issues posted and I’m not sure if I am having the same problem, but it looks it.
I have 2 PC’s, Win11 and Ubuntu 22.04 with NoMachine installed. I have Android clients and a Chromebook running the NoMachine Linux code. I do not have any problems getting into the Ubuntu machine from any client (including the Win 11 client). The problem comes in trying to get to the Win11 server.
If the Win11 server is freshly rebooted, the first attempt from a client (it doesnt matter which one) works. After that, it goes downhill. Subsequent attempts either give me a white display on the client or the Win11 desktop display. If I get the proper desktop display, anything I click on doesn’t respond. However, if I go to the physical Win11 desktop, the things I clicked on from the client are all open. Restarting the server doesn’t help.
May 2, 2024 at 09:06 #48001Britgirl
KeymasterHi, could you send us the full set of logs from the Windows 11 server ?
%ALLUSERSPROFILE%\NoMachine\nxserver\nxserver.exe --debug --enable all
in a cmd console run as administrator
Reproduce the problem (connect from your Ubuntu client).
Then gather the logs.
%ALLUSERSPROFILE%\NoMachine\nxserver\nxserver.exe --debug --collect
The log archive is created in
%PROGRAMDATA%/NoMachine/var/log/archives
Full instructions are available here: https://kb.nomachine.com/DT07S00243.
Send them to forum[at]nomachine[dot]com. Please use the title of this topic as the subject of your email. Thanks!
May 5, 2024 at 17:29 #48018Pop06095
ParticipantGreetings,
I am in the process of mailing the logs. I have determined what causes the issues, however. If the monitor on the Win11 machine (server) is on, it connects fine. If the monitor on the Win11 machine is off, it fails.
My sequence of events:
1. Boot Win11, connect, works fine (11:45-ish in the logs)
2. Try to connect a second time, works fine (11:59-ish)
3. Turn monitor off, try to connect a third time, it fails (12:05ish in the logs)
4. Turn monitor back on, it connects as expected (not in the logs)
Let me know if there is anything further I can try.
May 15, 2024 at 18:00 #48132Britgirl
KeymasterIf the monitor on the Win11 machine (server) is on, it connects fine. If the monitor on the Win11 machine is off, it fails.
In the logs that you sent us we see that every capture method fails when you have the monitor off. The best workaround, if you don’t want to keep the monitor on, is to try with a dummy HDMI dongle.
Related article is this: https://kb.nomachine.com/AR05S01124
May 15, 2024 at 19:18 #48135Pop06095
ParticipantI understand there are a multitude of things that go into this.
The GPU is AMD Radeon, vanilla drivers, vanilla Windows 11. This isn’t an oddball config, its fairly common. It seems to be you don’t support headless setups.
May 16, 2024 at 12:34 #48146Britgirl
KeymasterHeadless set ups are supported, but there are some considerations to take into account as mentioned in the article I linked. If you disconnect or turn off the monitor, this can cause your GPU to stop producing an image which can result in a black or white screen because there is nothing for NoMachine to capture. This is caused by, in your case, the AMD video card and not NoMachine not working properly.
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