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BritgirlKeymasterHi, we have a special debug package that we’d like you to try. If the black screen continues, we will need logs from the macOS server host. I will send his via email with further instructions.
January 13, 2026 at 17:59 in reply to: NoMachine causes extreme lag and spawns numerous tray monitor processes #55270
BritgirlKeymasterHi, we have a Trouble Report open which is similar to what you are describing. Can you please try the workaround that is described here: https://kb.nomachine.com/TR05W11320. Does that help?
January 13, 2026 at 13:17 in reply to: After disconnect, physical screen always stays black (on 9.3.7) #55265
BritgirlKeymasterHello, the problem you are encountering is most likely being caused by something else. Can you confirm the exact steps to reproduce the problem? Are you using multi-monitors? Also, a full set of logs which you can attach here (https://kb.nomachine.com/DT08U00298#1.1) or send directly to forum[at]nomachine[dot]com. If you choose to send via email, please use the title of this topic as the subject. Thanks!
BritgirlKeymasterCan you submit new logs?
January 13, 2026 at 11:04 in reply to: Switching the view between multi-monitors in version 9 #55258
BritgirlKeymasterHi JayMac, please check your inbox for an email from me. I have sent you a debug package with further instructions.
BritgirlKeymasterHi,
does the screen that you see remain frozen forever?
Can you send us the full set of logs? Send them to forum[at]nomachine[dot]com. Please use the title of this topic as the subject of your email. Thanks!
Follow the instructions here: https://kb.nomachine.com/DT08U00298#1
BritgirlKeymasterHi, multi-monitors are supported but it’s not possible to limit access to view only one. When the server has two or more monitors, an icon in the client UI (player or web player) lets the user choose which remote display to show. For example, if there are two remote monitors, the icon will let the user select whether to show the first remote display, switch to the second, or show both remote displays (more about multi-monitors is available here: https://kb.nomachine.com/AR06U01201).
BritgirlKeymasterMy bad. I should have mentioned that after disabling egl you should logout and log back in or reboot the system. Please try that if you didn’t do that already.
BritgirlKeymasterSorry Timo, I missed your last question. The fix will not be a “quirk”. We are currently working on adding full support for virtual desktops for Wayland.
BritgirlKeymasterCan you try disabling EGL capture? From a terminal run:
sudo /usr/NX/bin/nxserver --eglcapture noJanuary 8, 2026 at 15:39 in reply to: Cannot connect from Mac client to Linux server, “Protocol Error” #55226
BritgirlKeymasterNot being able to resize in this case is not caused by NoMachine. NoMachine shows you the available resolutions which are those supported by the graphics cards and the remote OS.
BritgirlKeymasterHi, are you able to send us the full set of logs from the Mac machine so we can check them? You can extract them using the instructions here: https://kb.nomachine.com/DT08U00298#1.1 and setting the log level to 9 (Debug) and restart the server. Reproduce the problem as per your steps, then take the logs. Send them to forum[at]nomachine[dot]com. Please use the title of this topic as the subject of your email. Thanks!
January 7, 2026 at 17:00 in reply to: NoMachine causes extreme lag and spawns numerous tray monitor processes #55218
BritgirlKeymasterHi, are you able to send us the full set of logs from the Windows machine so we can check them? You can extract them using the instructions here: https://kb.nomachine.com/DT08U00298#1.1 and setting the log level to 9 (Debug) and restart the server. Reproduce the problem, then take the logs. Send them to forum[at]nomachine[dot]com. Please use the title of this topic as the subject of your email. Thanks!
BritgirlKeymasterHi, thanks for the client side logs. Can you send us the logs from the server as well? You can get them through the UI on the Rocky server: Settings > Server > Security > Take logs, reproduce the problem first and then click Take logs.
January 5, 2026 at 18:46 in reply to: After uptime NoMachine can’t accept new incoming connections #55203
BritgirlKeymasterHi, just so it’s clear for us, if you take out Zerotier completely, are you able to connect from PCs 2 and 3 to PC 4 at all? We’ll check out ZT again in any case.
In the meantime, what you could try is, in the server.cfg file, to set the IP address which has to be broadcast by uncommenting the following key:
#
# Specify the network interface where the NX service will be bound.
# Populate the field with an IP address or a domain name.
#
#NXdListenAddress “”Restart the nxserver after making the changes.
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