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BritgirlKeymasterA quick update on the investigation, thanks for your patience so far. We have not been able to reproduce this issue with any of the multiple Windows systems with WSL enabled in our labs. It is likely due to a particular combination of tests and drivers that we have no way of verifying. We’ll continue to investigate, however, but we’ll close this topic for now. Should we have something to report, we will provide an update here.
BritgirlKeymasterThe key you tried to add in player.cfg is not supported.
On the NoMachine server host, it’s possible to enable a key in the node.cfg file to configure the packet prioritization flag for
NoMachine data traffic for data from server to client:#
# Set the DS (Differentiated Services) 8-bit field, previously known
# as ToS (Type of Service), at the IP network layer. Valid values are
# numbers from 0 to 255 in decimal or hexadecimal format (0x00-0xff).
# The six most significant bits should be set to the DSCP values recom-
# mended by RFC-2597 and RFC-2598 (e.g. use 72 or 0x48 for DSCP Class
# AF21). The two least significative bits should be set to 0. It is
# also possible to use the obsolete ToS flags (e.g. 16 or 0x10 for the
# LOWDELAY behaviour).
#
# ProxyPacketPriority 0x48Remove the pre-pending # from the key name.
BritgirlKeymasterThe logs showed that there is no FullHD in use, but 3840×1080 (so height is 1080 but the width is 1920*2) hence why SW encoding is being used given that for resolutions higher than 4K, hardware encoding is disabled. Work has already started to remove this limitation.
November 24, 2025 at 17:49 in reply to: Problem with “Scale To Window” option after upgrading from 9.0.188 to 9.2.18 #54953
BritgirlKeymasterHi, this is the expected behaviour. It is the new default behaviour, introduced in 9.1.24, by which scaling mode preserves the aspect ratio during resize operations when scale-to-window is enabled. What you can do is hold Ctrl while maximizing the player window to get the old behaviour (for more details, refer to: https://www.nomachine.com/AR07W01315).
BritgirlKeymasterWe were able to reproduce this and opened a Trouble Report, here’s the link you can use to monitor its status: https://kb.nomachine.com/TR10W11586.
BritgirlKeymasterThen indeed it’s a resolution problem. The max resolution is 4k for H.264.
BritgirlKeymasterIf you can, it would be better to enable debug, restart, reproduce (so check that the nxnode is not running) and retake the logs (if you do it from Server settings > Security , Take logs), it will make sure we receive everything we need from the server side. Thanks!
BritgirlKeymasterHi, can you post the screenshots as an attachment, please?
BritgirlKeymasterYou can modify the shortcut starting the Player by adding the option
--exit-alwaysto the command line. However, when doing so, the Player can still try to reconnect to the server if there is an unexpected error. If you want to avoid it by just terminating the Player as soon as any errors occur, change the key “Automatically reconnect to the server” to false in the file %USERPROFILE%\.nx\config\player.cfg.November 20, 2025 at 11:53 in reply to: How can I detect if a NoMachine connection is being used? #54931
BritgirlKeymasterYou can modify the shortcut starting the Player by adding the option
--exit-alwaysto the command line. However, when doing so, the Player can still try to reconnect to the server if there is an unexpected error. If you want to avoid it by just terminating the Player as soon as any errors occur, change the key “Automatically reconnect to the server” to false in the file %USERPROFILE%\.nx\config\player.cfg
BritgirlKeymasterHi. Can you please save the logs from Player Settings > Security of that computer and send them? Also, what antivirus software are you using?
A zip file is recommended for attachments. Alternatively, you can email them to us at forum[at]nomachine[at]com. Thanks.
BritgirlKeymasterThanks for all your input and collaboration. We have now inserted a Trouble Report which you can monitor at the following link: https://kb.nomachine.com/TR11W11634.
BritgirlKeymaster“Should I update to 9.2.18 and look at the server.cfg ?” If you can, yes.
We would also needs logs from both of you before you go back to the previous version (our Info team is already handling the temporary download link). This would help us immensely because we are unable to reproduce the issue. Are you able to send us the server-side logs so we can check them, enabling debug first? You can extract them using the instructions here: https://kb.nomachine.com/DT08U00298. It can be done directly from the UI in Settings > Server > Security, scrolling down, setting debug level, restarting, wait a few minutes, then Take logs.
Send them to forum[at]nomachine[dot]com or attach. Please use the title of this topic as the subject of your email. Thanks to both of you!
BritgirlKeymasterIs that on server 9.2, pavlos?
BritgirlKeymasterWe always publish the latest version of the software on our public download servers, and we do this for a reason which is explained here https://kb.nomachine.com/AR08C00250.
We can of course provide you with a temporary link to the earlier version that works if you contact us through the website. First, we need to understand why both of you are encountering this issue.
Camero1579, I assume that you are also using Linux? If so, can you tell us the distro and desktop environment? Please locate the server.cfg on your server machine, and tell us what is written in the following key AvailableSessionTypes.
Pavlos, if you have a chance to do the same (so you would need to update to 9.2 again), the question also applies to you as well 🙂
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