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February 26, 2026 at 09:22 in reply to: A timeout error occurred while attempting to connect to … on port 4000 #55604
BritgirlKeymasterWe were able to report the issue. You can track the status of the fix using this link here: https://kb.nomachine.com/TR02X11712.
Thanks.
BritgirlKeymasterUnfortunately, there’s not much more we can debug. Although we would appreciate knowing if the the monitor issue disappeared when you set
--eglcaptureto no using the last package we provided.
BritgirlKeymasterDo you mean how to switch between running local applications, like Cmd+Tab?
February 24, 2026 at 10:45 in reply to: Physical desktop resize mode resets after session timeout #55588
BritgirlKeymasterHi, first let’s explain how the resize works. When the resize remote display is enabled, the remote desktop and the local window geometries are always synchronized. If the remote desktop changes its geometry, the client adapts the window size. When the client can’t fulfill a request to change the window size (usually, because the size is bigger than the client monitor), since the server has priority over its resolution (i.e. the client can’t “force” it back), then the mode automatically switches to viewport mode.
Now, it’s not clear to us what is happening when the “session times out due to inactivity” – we are happy to check the logs and that will let us also check the sequence of events occurring when you encounter the error. However, the technical behaviour is the one explained above, it is exactly how resize works when giving priority to remote desktop resolution.
We do have a Trouble Report open which has a workaround which you could try. Basically, the slider setting is ignored when disconnecting and connecting again to the same desktop. We are not sure if this is your case, https://kb.nomachine.com/TR07W11470.
To get the logs from the macOS client, reproduce the problem first, then, still on the client, go to Settings -> Player -> Security and ‘Take logs’.
BritgirlKeymasterGood to know 🙂
February 20, 2026 at 15:49 in reply to: Display of my Ubuntu frozen at connection via NoMachine #55576
BritgirlKeymasterHi, can you send us the logs from both client and server sides?
You can extract them using the instructions here: https://kb.nomachine.com/DT08U00298. You can attach them here or send them to forum[at]nomachine[dot]com. Please use the title of this topic as the subject of your email. Thanks!
BritgirlKeymasterHello,
can you follow the instructions here:
How can I send Ctrl+Alt+Delete to a remote desktop?
https://kb.nomachine.com/AR02L00784and if there is something that is not working as described there, please tell us?
BritgirlKeymasterHi,
Local network connections don’t save a file in Documents\NoMachine, because of the ephemeral nature of automatic server discovery e.g., a machine might be temporarily unavailable or change its local address, and so on. Local server connections are stored in a temporary cache, where the cached connection files keep user preferences, but automatically update the server address and protocol information.
You have two options:
i) From the Windows player, create a new connection file manually and set the local LAN server’s IP in the Host field. The “Direct connection over the Internet” description that you see there might be misleading you. Creating a connection this way is not limited to WAN addresses only. Choosing this way to connect is useful only if the server IP doesn’t change.
ii) From the Windows player, in the Machines panel, edit the connection you want to launch automatically (right click on the connection icon), select Info in the left menu, copy the UUID visible in the Software group on the right, and look for the cached NXS file: %USERPROFILE%\.nx\cache\
.nxs. Note however that when the system starts, the client has not yet received the broadcasted server address, so the one stored in the cache could be old and the connection may fail. Consider giving the Mac server a static LAN IP (in such a case, solution 1 would be easier).
BritgirlKeymasterIt sounds like the macOS permissions are preventing you from interacting with desktop. Go to Accessibility and Screen Recording to check they are toggled on. If they are, remove NoMachine from the permission lists and add it again. Then go back to Server settings and restart the NoMachine server.
BritgirlKeymasterHi, this time it’s the right package 🙂
You attached the logs with
--eglcaptureset to yes only. Does that mean that when you set the –eglcapture to no, you no longer reproduce the monitor issue?Logs from the
--eglcaptureset to yes show that the slowness is caused by the drivers and not nomachine. Please try addingDisplayServerExtraOptions "-gpu 1"in the server’s node.cfg file and tell us if it makes any difference.
BritgirlKeymasterHi, the client-side logs you submitted show that you are using version 8. Please try updating to the latest v9 on both the client and server sides and tell us if you can reproduce the issue. If you do, we will need to see logs from both sides. Please follow the instructions here: https://kb.nomachine.com/DT08U00298. For the client side logs, please refer to Chapter 1.2 of the same document.
BritgirlKeymasterHi, so we checked the logs and there is no issue in the software, rather a broken connection caused by something in your network:
client:
8512 19344 2026-02-12 14:14:49 607.839 ProxySession/ProxySession: ERROR! Connection with the remote peer broken. Error: Connection with the remote peer broken. Error: Error is 5, 'Input/output error'.server:
32294 22031 2026-02-12 14:14:50 060.364 ProxySession/ProxySession: ERROR! Connection with the remote peer broken. Error: Connection with the remote peer broken. Error: Error is 32, 'Broken pipe'.
BritgirlKeymasterCheck your inbox. I’m sending you the download link again, it seems that you are still installing the earlier package we sent you? Remember to reboot the machine after installing. After which you can also add this to the node.cfg file on the target machine,
DisplayServerExtraOptions "-gpu 1". This is a new key, not yet enabled by default, which we’ve added and it activates HW acceleration for some operations. It would be interesting to know if there is any difference.
BritgirlKeymasterTake a look at the following topic: https://forum.nomachine.com/topic/user-for-instant-access#post-52574
I’ll post here for convenience. When you login with your MS account, the following formats are possible:
1) User Principal Name:
@ – If you are getting an error, please tell us what error you are seeing when trying to promoted to authenticate on the target Windows machine 2) Down-Level Logon Name:
\ 3) Short format name, just ‘username’, domain is implicit.
A password is required, your Windows OS PIN is not supported. Please also take a look at the following article which explains in more detail: https://kb.nomachine.com/AR03S01118.
BritgirlKeymasterYou attached the logs for the monitor issue with –eglcapture set to off which means the potential fix for the monitor issue didn’t help, right?
About the logs with –eglcapture enabled, from the logs we see it’s still loading the old library. So do a system reboot and grab new logs, please. Thanks once again.
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