September 25, 2019

XenApp and XenDesktop 7.15 Plus

Citrix released the second Long Term Service Release (LTSR) in the company's history on August 15, 2017. This was a hallmark release in our mind because it closed nearly every feature gap of the wildly successful XenApp 6.5 release. At the same time, it was built on the new Flexcast Management Architecture (FMA) which provided customers with much in terms of choice and security.

Our ambitious plan for this article is to detail the new features and enhancements of each of the quarterly Current Releases (CR). In order to make this more readable, we are putting the full details including things like embedded videos into a separate post. Consider this a living document that will be updated over time to create a single searchable list. Check back here as we add the rest of the Current Releases. Please drop us a comment if we missed something.

Brian @sagelikebrian and Josh @virtualjoshespi

    Released February 27, 2019 - End of Life August 27, 2019

    Citrix Docs | Citrix Product Lifecycle Matrix | Find more details at XenApp and XenDesktop 7.17

    User eXperience:
    • High Definition compression support for 64-bit webcam applications.
    • Watermark your desktop or app independent of the endpoint with this new controller and VDA. My Summit 2018 article has an image of a watermark on a Chromebook (
    • Webcam compression for 64-bit applications like Skype, GoToMeeting, and others on VDA.
    • NVENC hardware encoding in combination with codec for actively changing regions supported in VDA with NVIDIA GPUs.
    • ThinWire now includes higher compression (~15%) MDRLE encoding which replaces 2DRLE on supported VDAs. "What's New with Workspace in February 2018" has more details (Citrix Blogs).
    • Linux support for Pascal GPUs, pass through authentication with smart cards, dynamic keyboard layout synchronization, adaptive transport (Citrix Blogs).
    • Show or hide the remote language bar
    Admin eXperience:
    • Azure Managed Disks to be used automatically by MCS starting with this controller.
    • Federated Authentications Services now stores info in an embedded database versus the registry.
    • Controller improvements to double-hop scenarios (launching apps in a published desktop). If the app is available in the desktop it will launch it as local vs a new session.  Read "Session Sharing Between a Published Desktop and a Published App Made Easy" (Citrix Blogs) for more information including making this work on previous versions.
    • Content redirection blacklist supported on VDA. Also, a new controller policy to prevent failback to server render.
    • Director now supports PIV smart card authentication.
    • Session Recording improvements to event logging (Citrix Blogs).
    Deprecation and Platform Support:
    • StoreFront support for TLS 1.0 and 1.1 protocols between XenApp and XenDesktop and Citrix Receiver and Citrix Workspace Hub (see CTX232266.
    Released November 28, 2017 - End of Life May 28, 2018

    Citrix Docs | Citrix Product Lifecycle Matrix | Find more details at XenApp and XenDesktop 7.16

    User eXperience:
    • High Definition webcam support.
    • Expanded tablet mode in Windows 10 using Windows Continuum.
    • Adaptive transport enhancement. By default, adaptive transport is now enabled (Preferred), and EDT is used when possible, with fallback to TCP.
    • Browser content redirection. Redirects the contents of a web browser to a client device with a corresponding browser embedded within the Citrix Receiver. See (Citrix Docs) for more information.
    • HDX H.265 encoding. Requires an NVIDIA GPU. Read more, "H.265 Encoding Now Available for XenDesktop Using NVIDIA GPUs" (Citrix Blogs). Requires Receiver for Windows 4.10 and must be enabled. Requires a Platinum license.
    • Unicode keyboard mapping. Without the registry setting, if a user changes the local and the server keyboard layouts, the keyboards might not be in sync and character output is wrong.
    Admin eXperience:
    • HDX 3D Pro is detected automatically during VDA setup.
    • MCS support for on-demand provisioning with Azure Resource Manager.
    • Support for App-V 5.0 deployment configuration files in single admin method and support for shortcuts in App-V packages.
    • Access Monitor Service data uses version 4 of the OData API.
    • Shadow Linux user sessions running RHEL 7.3 or Ubuntu 16.04. Director connects via noVNC.
    • HDX Insight integration of a new NSAP virtual channel. Nick, from Citrix Consulting, is calling this integration, "HDX Insight 2.0" (Citrix Blogs).
    • Applications analytics added to Director. It provides a consolidated view of the health and usage of all published applications. It shows metrics like the number of instances per application and faults and errors associated with the applications.
    Deprecation and Platform Support:
    • VDA desktop OS support: Windows 10 1607 or newer. For support of older operating systems (Windows 7, Windows 8) use the 7.15 VDA.
    • VDA server OS support: Windows Server 2012 R2, Windows Server 2016 (also supports server VDI). For support of older operating systems (Winddows Server 2008 R2, Windows Server 2012) use the 7.15 VDA.

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