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VMware Horizon Client 5.0 for Linux Release Notes

Horizon Client for Linux 5.0 | 14 March 2019

These release notes cover the following topics:

Key Features

VMware Horizon Client for Linux makes it easy to access your remote desktops and published applications from a supported Linux system with the best possible user experience on the Local Area Network (LAN) or across a Wide Area Network (WAN).

  • Support for Ubuntu and Red Hat Enterprise Linux (RHEL) - The Horizon Client installer available from the VMware Downloads site provides support for these operating systems.
  • Unmatched performance - The adaptive capabilities of the VMware Blast and PCoIP display protocols are optimized to deliver the best user experience, even over low-bandwidth and high-latency connections. Your desktop is fast and responsive regardless of where you are.
  • Simple connectivity - Horizon Client for Linux is tightly integrated with VMware Horizon for simple setup and connectivity.
  • Secure from any location - At your desk or away from the office, your data is delivered securely to you wherever you are. Enhanced certificate checking is performed on the client. Horizon Client for Linux also supports optional RADIUS and RSA SecurID authentication.

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What's New in This Release

  • User interface redesign
    Horizon Client for Linux now has a more modern user interface.
  • Support for Red Hat Enterprise Linux (RHEL) 64-bit 7.6
    Horizon Client for Linux is now supported on client systems running the RHEL 7.6 distribution.
  • DPI synchronization per connection
    If an administrator enables the new DPI Synchronization Per Connection agent group policy setting, DPI synchronization takes effect when users reconnect to a remote desktop. This feature is supported for virtual desktops running Windows 10 version 1607 and later or Windows Server 2016 and later (configured as a desktop), and is not supported for published desktops or published applications. This agent group policy setting is disabled by default. This feature requires Horizon Agent 7.8.
  • Domain security changes
    When users log in to a Horizon 7 version 7.8 server from Horizon Client, they might need to enter a domain in the User name text box, for example, domain\username or Depending on the server configuration, the Domain drop-down menu might be hidden, or it might contain *DefaultDomain*. For details, see the information about the Send domain list and Hide domain list in client user interface global settings in the VMware Horizon Client for Linux Installation and Setup Guide document.
  • Scanner redirection for remote desktops
    Users can now scan information into remote desktops with SANE-compliant scanners that are connected to the Linux client system. Users can control scanner settings by selecting options in the remote desktop interface. This feature requires Horizon Agent 7.8 or later and Horizon Client 5.0.
  • Launching multiple desktops and applications within a single client session from the command line
    By default, Horizon Client opens a new client session when the user starts an additional resource. With Horizon Client 5.0, users can now start additional remote desktops and published applications within an existing client session. This feature is available only when starting resources from the vmware-view command line using the --useExisting command line option.
  • Enhanced support for multiple-monitor configurations
    When a user changes the local monitor configuration during a client session, the full-screen display updates dynamically to accommodate the change. For example, if the user starts the session with three monitors and then disconnects one of the monitors, the session is displayed in full-screen mode across the two remaining monitors. If the user reconnects the third monitor, the full-screen display resumes across all three monitors.

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The user interface and documentation for Horizon Client are available in English, Japanese, French, German, Simplified Chinese, Traditional Chinese, Korean, and Spanish.

Note: To have the client user interface use Simplified Chinese characters, set the client system to use the zh_CN locale. If you set the client system to use the zh_SG locale, the user interface is displayed in English characters.

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Before You Begin

Note: The supported systems listed below and in the VMware Horizon Client for Linux Installation and Setup Guide pertain to the Horizon Client for Linux that VMware makes available. In addition, several VMware partners offer thin and zero client devices for Horizon 7 deployments. The features that are available for each thin or zero client device, and the operating systems supported, are determined by the vendor and model, and the configuration that an enterprise chooses to use. For information about the vendors and models for these client devices, see the VMware Compatibility Guide, available on the VMware Web site.

  • The OpenSSL library is updated to version openssl-1.0.2q. For your convenience, the Horizon Client installer provided on the VMware Downloads site downloads and installs the library.
  • Horizon Client for Linux 5.0 has been tested and is supported on the following 32-bit operating systems if you use the installer provided by VMware:
    • Ubuntu 16.04
    • Red Hat Enterprise Linux (RHEL) 6.10
  • Horizon Client for Linux 5.0 has been tested and is supported on the following 64-bit operating systems if you use the installer provided by VMware:
    • Ubuntu x64 16.04 and 18.04
    • Red Hat Enterprise Linux (RHEL) 6.10 and 7.6
  • Horizon Client for Linux 5.0 is supported on Raspberry Pi 3 Model B devices that are installed with ThinLinx Operating System (TLXOS) or Stratodesk NoTouch Operating System. The supported Horizon Client features include Blast Extreme, USB redirection, and H.264 decoding.
  • VMware Horizon Client for Linux is supported with the latest maintenance release of VMware Horizon 6 version 6.2.x and later.
  • To install Horizon Client for Linux, download the installer from the VMware Horizon Client download page.
  • Horizon Client for Linux 5.0 does not ship with the GTK+ library, but it does use the library installed on the host system. Make sure your system is up to date with a version of the library that includes fixes for publicly reported security vulnerabilities. A list of the publicly reported security vulnerabilities, and the versions affected, for GTK+ can be found at
  • For information about the features that are supported in nested mode, see VMware Knowledge Base (KB) article 67248, "VMware Horizon Guidelines for Nested Mode."

For more system requirements and detailed installation instructions, see VMware Horizon Client for Linux Installation and Setup Guide.

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Information for Distribution Partners

The following deployment instructions and information about library dependencies are provided for VMware distribution partners.

Deployment Instructions

  1. Download the vmware-view-client-linux-xxx-yyyy.PLATFORM.tar.gz file from the VMware Downloads site and extract the contents of the downloaded tar.gz package to your system, where xxx is the product version and yyyy is the build number. 
  2. Navigate to the folder for your specific platform, i386 or x64. You will find additional tar.gz packages of the individual Horizon Client components. For example, for the x64 folder you will find the following tar.gz packages for Horizon Client.

  3. Use the following deployments instructions for each of the tar.gz packages.
  • Horizon Client for Linux

    The VMware-Horizon-Client-xxx-yyyy-crtbora.PLATFORM.tar.gz and VMware-Horizon-Client-xxx-yyyy.PLATFORM.tar.gz packages contain the VMware Horizon Client binaries. It is recommended that you use the VMware-Horizon-Client-xxx-yyyy-crtbora.PLATFORM.tar.gz package to deploy the Horizon Client for Linux because the original Horizon Client for Linux package, VMware-Horizon-Client-xxx-yyyy.PLATFORM.tar.gz, is planned to be deprecated. Use the following instructions as a guide in configuring the VMware Horizon Client binary files.

    1. Extract the VMware-Horizon-Client-xxx-yyyy-crtbora.PLATFORM.tar.gz package.
    2. Navigate to the extracted folder, VMware-Horizon-Client-xxx-yyyy-crtbora.PLATFORM, and move the contents of the extracted Horizon Client files to the recommended system folders. Depending on your particular Linux environment, you can choose to use folders different from those used below.
      1. Move the contents of the bin folder to the /usr/bin folder.
      2. Move the contents of the lib folder to the /usr/lib folder.
      3. Move the contents of the doc folder to the /usr/share/doc folder.
      4. Move the contents of the share/locale folder to the /usr/share/locale folder.

    The VMware-Horizon-PCoIP-xxx-yyyy.PLATFORM.tar.gz contains the mandatory binaries used by both display protocols, PCoIP and VMware Blast. Use the following instructions as a guide for configuring the Horizon Client display protocol files.

    1. Extract the contents of the VMware-Horizon-PCoIP-xxx-yyyy.PLATFORM.tar.gz package.
    2. Navigate to the extracted folder, VMware-Horizon-PCoIP-xxx-yyyy.PLATFORM, and use the following commands to copy the contents of the extracted Horizon Client PCoIP files to the recommended system folders. Depending on your particular Linux environment, you can choose to use folders different from those used below.
      1. Copy the contents of the bin folder to the /usr/bin folder.
      2. Copy the contents of the lib folder to the /usr/lib folder.
        Note: To keep the attributes intact, use the -a option of the cp command when copying the files from lib folder.
      3. Copy the crtbora files to the /usr/lib/vmware folder, using the following example for the RHEL 6.x based system.
        sudo cp -f /usr/lib/vmware/view/crtbora/* /usr/lib/vmware/ 
      4. If you are not using a RHEL 6.x x86-based system, remove the following libraries.
        sudo rm /usr/lib/vmware/
        sudo rm /usr/lib/vmware/
        sudo rm /usr/lib/vmware/
        sudo rm /usr/lib/vmware/
        sudo rm /usr/lib/vmware/
        sudo rm /usr/lib/vmware/ 
  • USB Redirection
    The VMware-Horizon-USB-xxx-yyyy.PLATFORM.tar.gz package contains the binaries used by the USB Redirection feature. 
    1. Extract the contents of the VMware-Horizon-USB-xxx-yyyy.PLATFORM.tar.gz package.
    2. Navigate to where the package was extracted and copy the extracted folders to the recommended system folders.
      1. Copy the contents of the bin folder to the /usr/bin folder.
      2. Copy the contents of the lib folder to the /usr/lib folder.
      3. Copy the contents of the init.d folder to the /etc/init.d folder.
    3. Configure the USB Redirection feature, using the following examples for an Ubuntu system as a guide.
      1. Set up USB arbitrator daemon in the system's auto-startup script using one of the following methods, where # refers to 2, 3, 4, or 5, depending on your system's run level.
        • Create symbolic links using the following command:
          sudo ln -s  /etc/init.d/vmware-USBArbitrator /etc/rc#.d/S50vmware-USBArbitrator 
        • Add /etc/init.d/vmware-USBArbitrator start in your system's /etc/rc.local file. Make sure /etc/rc.local has the executable permission.
      2. Automatically stop the USB arbitrator daemon before a system reboot or halt using the following command, where # refers to 0 or 6, depending on your system's run level.
        sudo ln -s /etc/init.d/vmware-USBArbitrator /etc/rc#.d/K08vmware-USBArbitrator
      3. Manually start, stop, or restart the USB arbitrator daemon when necessary using the following command:
        sudo /etc/init.d/vmware-USBArbitrator [start|stop|restart]
  • Serial Port Redirection
    To install the Serial Port Redirection feature, see the README file included in the VMware-Horizon-serialportClient-xxx.yyyy.PLATFORM.tar.gz file,  which is available with the vmware-view-client-linux-xxx-yyyy.PLATFORM.tar.gz file that you downloaded earlier from the VMware Downloads site.
  • Printer Redirection Feature
    To install the Printer Redirection feature, see the Printer Redirection README file included in the VMware-Horizon-tpClient-xxx.yyyy.tar.gz file, which is available for download from the VMware Downloads site.
  • Scanner Redirection Feature
    To install the Scanner Redirection feature, see the README file included in the VMware-Horizon-scannerClient-xxx.yyyy.PLATFORM.tar.gz file, which is available with the vmware-view-client-linux-xxx-yyyy.PLATFORM.tar.gz file that you downloaded earlier from the VMware Downloads site.
  • Skype for Business Feature
    To install the Skype for Business feature, see the Skype for Business README file included in the VMware-Horizon-Media-Provider-XXX.tar.gz file, which is available for download from the VMware Downloads site.

Building Dependencies

The following libraries are required for building and running Horizon Client for Linux.

  • libxss1, libxss-dev, libxinerama1, and libxinerama-dev
    Install the libraries using a command similar to the following, which is an example in an Ubuntu-based system.
    sudo apt-get install libxss1 libxss-dev libxinerama1 libxinerama-dev
  • openssl-1.0.2q or later
  • curl-7.63.0 or later
    Create a dynamic link for this library to the openssl-1.0.2q or later library.
  • gcc 6.4 or later
  • glibc 2.11 or later for x86 and x64 systems; glibc 2.17 or later for systems with 32-bit hard-float ARMv7 (armhf) architecture
  • libstdc++ 3.4.22 or later

The following environment variables are required for building Horizon Client for Linux with Seamless Window feature.

export GOBUILD_CRTBORA_ROOT="Path of VMware-Horizon-CRTBORA-xxx-yyyyy"

After you install the Horizon Client components, locate the /bin directory in the Horizon Client package that you extracted earlier. From that bin directory, run the vmware-view-lib-san script, which checks the build dependencies.

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Resolved Issues

  • 2300079: When a Linux client system resumes normal display after exiting a screensaver program, the focus of the keyboard cursor and mouse pointer moves from the Horizon Client session to the local desktop.

  • 2161294: Starting published applications does not close the Horizon Client window after the application is started.

  • 2216933: If a user starts a script that opens two published applications, two Horizon Client windows open, even though only one window is used.

Known Issues

  • If you use Horizon Client to connect to a remote desktop that has client drive redirection disabled, such as through a group policy setting, or if you connect to a remote desktop that has Horizon View Agent 6.1.0 or an earlier version installed, no message is displayed to explain why the client drive redirection feature is not working.

  • If multiple Horizon clients connect to the same RDS desktop or remote application simultaneously and map to a location-based printer with the same name, the printer appears in the first client session, but not in later client sessions.
    Workaround: For the client sessions in which the printer does not appear, perform a manual refresh. For a remote desktop, press F5 or refresh the Devices and Printers window. For a remote application, close and reopen the application print dialog box. The location-based printer appears in the printer list.

  • If you use a FreeRDP connection and specify a monitor configuration that conflicts with the configuration the end user chooses, Horizon Client performance becomes poor and the client might stop responding altogether. For example, the following command for launching Horizon Client would cause problems if the user selected "Full Screen - This Monitor":

    vmware-view --enableNla --rdpclient=xfreerdp--xfreerdpOptions="/sec:nla /cert-ignore /p:password/u:crt\administrator /multimon"

    As a best practice, avoid specifying FreeRDP options for the display, such as /multimon or /workarea. Instead, let Horizon Client control the topology.

  • If your client system is running pcsc-lite version 1.5, smart card removal policy may not work, logging off, shutting down or resetting a Windows remote desktop may result in a black screen, or the Horizon Client menu may become blank for about 10 seconds when a user has smart card sessions to multiple desktops and the user disconnects from one desktop.
    Workaround: Upgrade to pcsc-lite 1.7.4 or later.

  • If you use a PulseAudio sound system, you might hear static when setting the volume using guest system volume slider.
    Workaround: Use the Linux client system's volume slider or use ALSA audio by adding sound.backendType = alsa to either the ~/.vmware/config or the /etc/vmware/config configuration file.

  • If you connect to a remote desktop with FreeRDP and configure the desktop to connect to a separate disk, if the disk name includes non-ASCII characters, the disk name cannot be displayed correctly in the remote desktop. For example, if you use non-ASCII characters in the disk name and then launch Horizon Client with command line option
    '--rdpclient=xfreerdp' and '--xfreerdpOptions="/drive: , /home/user"'
    the disk name does not appear correctly in the remote desktop.

  • Users cannot use rdesktop 1.8.x to connect to Horizon 7 Windows desktops. This is because Horizon 7 does not support TLSv1.0 by default and rdesktop 1.8.x supports only TLSv1.0.
    Workaround: Enable TLSv1.0 on the desktop by setting the following registry key:
    Be aware that TLSv1.0 is considered insufficiently secure. For Windows 7 desktops, Microsoft KB must also be installed.

  • On RHEL 6.x, with two monitors at the maximum resolution of 2560 x 1600, if you change the order of the monitors (the main monitor becomes the secondary and the secondary becomes the main), and then run Horizon Client and connect to a desktop in FullScreen - All Monitors mode, after the remote desktop is displayed, the desktop and application list may appear behind the desktop session when you select File > Return to Desktop and Application List.

  • Some video files might not play properly on a remote desktop when MMR is enabled.
    Solution: Make sure that the video format is supported and the proper decoder plug-in for the video is installed on the client.

  • On a Windows 7 remote desktop, while playing video on Internet Explorer and then you open a new tab, the MMR video frame overlays in the new tab.
    Workaround: Do not open a new tab or switch to a different tab while video is playing.

  • Videos do not play smoothly in remote desktops and sound disappears when MMR is enabled and the network delay is more than 75 ms.
    Workaround: Disable MMR when the network delay is more than 75 ms.

  • In certain circumstances, opening a local file with File> Open in a remote desktop or remote application causes the guest operating system on the Horizon Agent machine to encounter a STOP error (blue screen) or to stop responding (hang) when client drive redirection (CDR) is used. For more information, see VMware Knowledge Base (KB) article 2149417: Agent machine gets STOP error or stops responding when you open a local file shared with CDR.

  • On some HP thin clients that have HP ThinPro 5.2.0 (T6X52011) operating system, Horizon Client for Linux might display a black screen or crash when user is playing some video on a remote desktop and pressing the fast-rewind button on Windows Media Player.
    Workaround: Upgrade the OS to HP ThinPro 6.1.0 (T7X61007) or the latest version.

  • The System Tray redirection functionality is not supported and so you can not  exit a remote application session using the system tray.
    Workaround:  Use the remote application's UI to end the application session. For example, to exit a Skype session, select the Settings icon  and then select File > Exit.

  • You can not  start an application from the Application Launcher because the launcher is unsupported.
    Workaround: Start the remote application via the Linux client's UI.

  • Mouse does not work inside the Blast session when the keyboard layout is switched to Secondary Keyboard Layout
    Workaround: Manually add the following configuration option in the /etc/vmware/config file:
            RemoteDisplay.allowVMPointerEvent2 = FALSE

  • If there are identical shortcuts with differing functions on the client Linux operating system and a remote Windows operating system, the shortcut for the Windows operating system will not work when a seamless window application is active. Only the shortcut for the Linux operating system takes effect. For example, by default, pressing Alt opens a Search dialog window on an Ubuntu operating system and it shows the application's menu on a Windows operating system. When a seamless window application is active, pressing Alt displays the Ubuntu operating system's Search menu, but does not show the application's menu.

    Workaround: Change the shortcut in the host Linux operating system or in the remote Windows operating system so that the shortcuts in the two operating systems do not conflict.

  • Because Horizon Client for Linux uses the Linux operating system's GNOME theme, the Horizon Client for Linux authentication domain list, the desktop/application protocol list, and display list appear black on some of the Linux operating systems, making it difficult to read any of these lists.

    Workaround: Change the GNOME theme used by the Linux operating system. For example, in Ubuntu 16.04.4 operating system, install gnome-tweak-tool if it is not yet installed, run gnome-tweak-tool, and change the GTK+ theme from Ambiance to Radiance.

  • You might run into a mouse or keyboard issue when you use the H.264 High Color Accuracy feature for a resolution that is higher than 2560x1600.

    Workaround: Manually add the following configuration option in the /etc/vmware/config file.

  • Hardware H.264 decoding using Video Acceleration API (VAAPI) v2 is currently not supported.

    Workaround: None.

  • On a RHEL 6.x system, if you try to use the PCoIP display protocol to set up a session using more than two monitors, the PCoIP session might not get set up successfully.

    Workaround: Disable the ASLR (Address Space Layout Randomize) for the client operating system.

  • When client users connect to a published application using a multiple-monitor configuration, they may encounter unexpected behavior in the display if they disconnect or reconnect monitors in their configuration. 

    Workaround: Disconnect from the published application and reconnect again.

  • When a RHEL 7 client user connects to a published Windows Server desktop using the VMware Blast display protocol and attempts to log out from the session, Horizon Client might hang. This issue is caused by conflicting processes associated with version 1.8.8 of the PC/SC Lite (pcsclite) library.

    Workaround: On RHEL 7 systems, upgrade the pcsclite library to a version later than 1.8.8.