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Released on:
Searching in: Software Updates
ID: SU09Q00206
Released on:  2019-09-17
Last update: 2019-11-28
NoMachine 6.8.1 now available for download

Luxembourg, September 17th, 2019

NoMachine makes available today a minor software update aimed at solving issues affecting the previous release and consolidating all implementations made on version 6 so far. This 6.8.1 release additionally includes enhancements for set-ups in multi-node environments as well as the latest updated Apache web server of the nxhtd component.

The full list of enhancements and bug fixes are:

FR06Q03839 - Forwarding NoMachine authentication to the RDP server when the xfreerdp client is used
FR10E01906 - Giving the possibility to specify some server commands on a per-node basis
FR02O03331 - Implementing a mechanism for excluding automatically a load-balanced node in case of failure
FR09N03190 - Preventing users from using the xhost program inside a NoMachine virtual desktop
FR06Q03840 - Adding a server configuration key to enable using PAM account stack for key-based authentication by NX protocol
FR08Q03863 - Adding support for pam_access module when connecting by NX protocol
FR09Q03868 - Increase the maximum allowed custom resolution in display settings
FR08Q03862 - Updating nxhtd to Apache v. 2.4.41
FR07Q03848 - Providing the client IP when web sessions use private-key authentication

TR08Q09392 - Cannot load the user's private-key in web sessions run by IE 11
TR08Q09386 - Rules set for a node are ignored if it's disabled for all users
TR07Q09369 - Cannot authenticate to RDP server by passing NoMachine credentials
TR07O07965 - Cannot launch system applications in virtual desktop sessions on Fedora 26 with Wayland
TR07Q09370 - Virtual desktops always start on the same node when using the weighted load-balancing algorithm
TR05Q09329 - Reconnecting to session stuck during connection
TR05Q09270 - Audio stutters during NoMachine session
TR08Q09393 - Cannot connect a local device when the volume name contains spaces
TR07Q09361 - NoMachine virtual desktops become unresponsive when using Synopsys ICC2
TR06Q09346 - Automatic selection of number of threads doesn't work correctly
TR06Q09345 - The remote session is unrecoverable after connection/disconnection failures
TR06Q09352 - NoMachine client on Windows suddenly terminates when selecting a large text in Vim 8.1
TR05Q09319 - Windows freezes when the user signs out of his account from inside the NoMachine session
TR05Q09316 - The fn key on Mac 10.13 gets stuck on mac and key combinations stops to work
TR02P08423 - Desktops running on Wayland cannot be automatically resized to the NoMachine client size
TR07Q09365 - Custom sessions in floating window mode fail to start
TR06Q09335 - The display is no longer updated in WebRTC sessions on high latency networks
TR05Q09324 - NoMachine client uses the wrong authentication password when reconnecting to a server
TR05Q09278 - NoMachine client fails to start on OpenSUSE Leap 15 when the X authority file is misconfigured
TR12P09056 - Improve retina support for NoMachine graphical user interfaces
TR06Q09343 - Floating window mode session fails on Windows
TR05Q09323 - Black screen occurs when connecting to headless Linux hosts
TR09Q09405 - Sudden termination of the nxnode process on Linux when the horizontal resolution of the monitor is not a multiple of 16
TR02P08413 - Cannot connect an iPhone or iPad via USB forwarding from Windows to Mac


Supported Platforms

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

Windows Server 2008/2012/2016

Mac OS X Intel 64-bit 10.7 to 10.14

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 30
Debian 4.0 to Debian 9
Ubuntu 8.04 to Ubuntu 19.04

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