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Released on:
Searching in: Software Updates
ID: SU12Q00208
Released on:  2019-12-17
Last update: 2019-12-17
NoMachine 6.9.2 now available for download

Luxembourg, December 17th, 2019

NoMachine makes available today a minor software update aimed at improving support for USB device forwarding to remote Linux hosts and updating the VirtualGL library currently distributed in the NoMachine software. This release also provides fixes for issues recently encountered on KDE Plasma.

The full list of enhancements and bug fixes are:

FR04Q03811 - Allowing users to recognize which USB devices they have forwarded to the remote Linux host
FR11Q03894 - Automatically detect the X server active display when VirtualGL is enabled
FR10Q03880 - Supporting the new option format introduced with xfreerdp client v. 2.0.0
FR11Q03895 - Updating VirtualGL to the latest released version

TR10Q09440 - NoMachine does not detect KDE Plasma 5.17
TR10Q09441 - Physical desktop is not detected on systems with KDE Plasma 5.17
TR08P08780 - A BSOD occurs on Windows when enabling voice recording or accessing microphone settings
TR10Q09452 - Black screen occurs when connecting to the physical display on high resolution monitors
TR11Q09473 - Cannot add a child server or node by using a domain administrator account
TR02Q09140 - Cannot authenticate by NX protocol with a private key generated with openSSH 7.8p1-1 or later
TR09Q09408 - Cannot build NoMachine USB module on Linux Kernel v. 5
TR10Q09430 - Cannot start a new session because the previous session on the same display is in state 'Terminating' forever
TR09Q09418 - Cannot start session on remote node when username contains a special character
TR04P08485 - Cannot use the smartcard reader on server side
TR08Q09387 - Clipboard settings on the remote node don't override the main server settings (server.cfg)
TR12Q09500 - Copy and paste from macOS client doesn't work reliably when using keyboard shortcuts
TR10Q09421 - Error 'Wrong signature' occurs while trying to add the remote node
TR04Q09240 - Error Code 19 is raised on USB host controllers when upgrading NoMachine Enterprise Client on Windows from v. 5 to v. 6
TR03Q09214 - Error in Event Viewer after reboot of Windows 10
TR10Q09425 - KDE virtual desktops are created without starting window manager
TR12Q09484 - Permissions of sample configuration files for Fail2ban are world writeable
TR10Q09424 - RDP virtual desktops cannot be started with xfreerdp client if domain is not specified
TR10Q09453 - Sessions become unusable when started by the web and reconnected by NoMachine client
TR09Q09406 - Setting the UserNXDirectoryPath key overrides the user's home directory location when running virtual desktops
TR11Q09476 - Some programs continuously print 'Unknown extension 131' in their output
TR07Q09357 - The NX_CONNECTION variable is not set in the NoMachine session
TR04P08502 - The server looks for network information by using UPnP even if it's disabled in the configuration
TR09Q09407 - The virtual desktop goes black for a few seconds when Matlab 2019b is launched
TR09Q09416 - The XScreenSaver doesn't work in virtual sessions
TR10Q09445 - Users cannot start a NoMachine session because "the connection with the server was lost"
TR04P08498 - Virtual desktops on a remote node are lost during the reconnect procedure due to network issues
TR10Q09438 - When connecting by the web, the Connections list view mode is 'My desktops' as default
TR11Q09478 - The local display is not available for connections to physical desktop


Supported Platforms

Windows 32-bit/64-bit XP/Vista/7/8/8.1/10

Windows Server 2008/2012/2016/2019

Mac OS X Intel 64-bit 10.7 to 10.15

Linux 32-bit and 64-bit

RHEL 4 to RHEL 8
SLED 10 to SLED 15
SLES 10 to SLES 15
openSUSE 10.x to openSUSE 15.x
Mandriva 2009 to Mandriva 2011
Fedora 10 to Fedora 31
Debian 4.0 to Debian 10
Ubuntu 8.04 to Ubuntu 19.10

Raspberry Pi 2/3 ARMv6/ARMv7/ARMv8


Important notices

All customers with version 4 or 5 installed are invited to read the following document available in the Knowledge Base for further information about what has changed and how to proceed with updating to version 6:


Download NoMachine Packages

You can download the latest packages suitable for your Operating System from the NoMachine Web site at the following URL:

Customers with valid subscriptions should log in to their customer area and download the "Production version".

Automatic updates

The automatic check for updates is scheduled to check our repositories every two days.

To update the free NoMachine package:

  • - Open the NoMachine User Interface from your Programs Menu.
  • - Click on 'Settings', then on the 'Server preferences' and finally on 'Updates'.
  • - Then click on the 'Check now' button.

To update the NoMachine Enterprise Client immediately:

  • - Click on 'Settings' and 'Updates'.
  • - Then click on the 'Check now' button.

More information about the check for automatic updates is available here:

Manual package update

Please follow the instructions to update your installation manually:

On Windows:

  • - Download and save the EXE file.
  • - Double click on the NoMachine executable file.
  • - As for the installation, the Setup Wizard will take you through all steps necessary for updating NoMachine.

On Mac OS X:

  • - Download and save the DMG file.
  • - Double-click on the Disk Image to open it and double-click on the NoMachine program icon.
  • - As for the installation, the Installer will take you through through all steps necessary for updating NoMachine.

On Linux:

You can use the graphical package manager provided by your Linux distribution or update NoMachine by command line by following instructions below. If you don't have the sudo utility installed, log on as superuser ("root") and run the commands without sudo.


  • - Download and save the RPM file.
  • - Update your NoMachine installation by running:
    • # rpm -Uvh <pkgName>_<pkgVersion>_<arch>.rpm


  • - Download and save the DEB file.
  • - Update your NoMachine installation by running:
    • $ sudo dpkg -i <pkgName>_<pkgVersion>_<arch>.deb


  • - Download and save the TAR.GZ file.
  • - Update your NoMachine installation by running:
    • $ cd /usr
    • $ sudo tar xvzf <pkgName>_<pkgVersion>_<arch>.tar.gz
    • $ sudo /usr/NX/nxserver --update
  • If you are installing Enterprise Client or Node run respectively:
    • $ sudo /usr/NX/nxclient --update
    • $ sudo /usr/NX/nxnode --update


Installation and configuration guides for the NoMachine products are available at:


The NoMachine Development Team