Citrix Workspace Mac Big Sur

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Citrix Workspace & Mac Big Sur Ask question Announcements. Seamlessly Migrate on-premises Citrix ADM to Citrix Cloud. For more information refer to - Migrate on-premises Citrix ADM to Citrix Cloud. Upvote if you also have this question or find it interesting. MacOS 10.15 & MacOS Big Sur 11.0.1 Download Citrix Workspace app for Mac (237 MB.dmg) Version: 20.10.0.16 (2010).

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Citrix Workspace Mac Big Sur 11.2

Citrix Virtual Apps and Desktops 7 (f.k.a. XenApp and XenDesktop) supports a variety of display configurations across different endpoint devices. The purpose of this knowledge base article is to review product capabilities and support requirements with regards to display resolutions, multi-monitors, and DPI scaling configurations for the client endpoint. Deployment considerations related to performance and scalability are also included.

Display resolution standards

As of this writing the most common resolution for a desktop monitor is 1920x1080, also referred to as 1080p. The term “4K” is used to refer to a monitor that has a resolution in the order of 4000 pixels in one dimension, see 4K Resolution-Wikipedia. It is important to establish the resolution of a particular 4K monitor. In the context of this article we refer to 4K resolution as 3840 x 2160 (or 2160p) which is the most common standard based on the aspect ratio of 16:9. These ultra-high-resolution monitors are becoming more prevalent in the Enterprise with the arrival of new mobile devices (laptops and tablets) and as the traditional 1080p monitors get replaced during hardware refresh cycles.

Display resolution and multi-monitor support in the Citrix session

The maximum resolution and number of monitors that can be used in a Citrix session is determined based on the display adapter in use. A Citrix session may use different display adapters, each with its own set of capabilities depending on the virtual desktop agent (VDA) type and the operating system (OS). There are other factors to consider as well such as the presence of a graphics processing unit (GPU) and the HDX graphics mode in use. Supported configurations and deployment considerations are listed below:
  • Server OS VDAs (Virtual Apps / XenApp) – Supports up to 8 monitors. Display resolution is only limited by the Windows OS capabilities or the available video memory for the machine. The amount of video memory that a Citrix session can consume can be configured via Citrix policy. The default value for the Display memory Limit policy is 65536KB and this is sufficient for up to 2x4K monitors (2x32400KB).
  • Desktop OS VDAs (Virtual Desktops / XenDesktop)
    • Windows 7 – Supports up to 8 monitors. Display resolution is limited to 4094 pixels in any dimension. The VDA must have sufficient memory allocated to support the desired configuration. Refer to CTX200257 - Screen Issues Connecting to 4K Resolution Monitors for additional information.
    • Windows 10 – Supports up to 8 monitors. Display resolution is limited to 4094 pixels in any dimension on 7.15 LTSR VDAs. On 7.16 and greater VDAs, display resolution is only limited by the Windows OS capabilities or the available video memory for the machine. The amount of video memory that a Citrix session can consume can be configured via Citrix policy. The default value for the Display memory Limit policy is 65536KB and this is sufficient for up to 2x4K monitors (2x32400KB).
  • GPU-enabled Desktop OS VDAs (HDX 3D Pro) – Maximum resolution and number of monitors is strictly dependent on the GPU capabilities. For example, supported NVIDIA GPUs may support display resolutions up to 4096x2160 and up to 4 monitors depending on type or vGPU profile and license in use. Refer to CTX131385 - HDX 3D Pro GPU Support and Deployment Considerations for more information.
  • Linux VDAs – Standard VDAs support up to nine monitors, and HDX 3D Pro VDAs support up to four monitors. The Linux VDA provides the out-of-the-box multi-monitor support with a default resolution of 2560×1600 per monitor. Refer to CTX220128 - How to Configure Multi-Monitor Support on the Linux VDA for more information.

Note: While there are no controls in place to limit resolutions above 4K in Windows 10 VDAs, Citrix development testing is limited to 4K monitors currently.


High-DPI (dots per inch)

Current support for High DPI endpoints is based entirely on the Citrix Receiver or Workspace App capabilities for a given platform. Citrix Receiver for Windows 4.10 (or greater) and Citrix Workspace App for Windows are the only DPI aware clients available currently. These clients can be configured to either scale the session, ignore DPI settings and set the full native resolution, or match ( with VDA versions 1811 or newer) client resolution and DPI settings on the VDA. Refer to CTX230017 - Display DPI scaling configuration with Receiver for Windows for additional information.
Clients that are not DPI aware rely entirely on the OS to scale the application as appropriate to the endpoint DPI settings. This means that the Receiver or Workspace App can behave differently depending on the OS. Multi-monitors with different DPI scales are not supported with clients that are not DPI aware.


Performance and scalability considerations

Citrix Workspace Macos Big Sur Download

In the context of display remoting the size of a user session can vary significantly based on display resolution and the number of monitors alone. As the session grows in size more server and client resources are required, for rendering and encoding/decoding of the graphics, and more data needs to be sent from the server to the client via the network. This has a direct impact to session performance and server scalability. Citrix highly recommends taking user requirements with respect to display configuration into account as it relates to server hardware, network links, and endpoint devices. Some deployment considerations are listed below:

  • Both display resolution and the number of monitors increase the session size. A user connecting from and endpoint with a single 4K monitor would result in the same session size as a user connecting with four 1080p monitors. Single server scalability can be reduced significantly by simply upgrading user endpoints with 4K monitors. If 4K monitor support is required additional server resources should be allocated accordingly to maintain desired user density levels.
  • Bandwidth requirements will also increase with higher resolutions and the number of monitors in use. Bandwidth constraints could limit frame rates and reduce image quality affecting session interactivity and user experience as a result.
  • The endpoint device must have adequate hardware resources available to support the desired display configuration. This could mean having enough CPU resources and in some cases a GPU that can handle the graphics workload. Performance limitations of Thin Clients may become apparent at high resolutions such as 4K, for example.

Additional Resources

​https://www.citrix.com/blogs/2018/01/09/making-sense-of-high-resolution-displays-and-dpi-with-citrix-graphics-remoting/
Multiple Monitors – Mouse Cursor Out-of-Sync While Using Extended Monitors With Different DPI's
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Applicable Products

  • Citrix Workspace App

Objective

Instructions

How it all works

The role of a driver for printing is very crucial for printing in Citrix Workspace app for Mac. After installing the driver, you should be able to print directly from Citrix Workspace app on Mac. The Workspace app is transparent to the driver. It gets the postscript data from VDA and forwards it to the available printers without altering the data or settings.
In this example, we have simulated the same core printing APIs used in Citrix Workspace app for Mac. Use the sample, select a file, and print. If this sample is able to print, then Citrix Workspace app on Mac will most probably be able to use your printer.

Prerequisites and scope

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VDA 'HP LaserJet PS 2800' drivers signed by Microsoft is required for client printer redirection on Citrix Workspace app on Mac.

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What is supported

  • Standalone scanners.
  • Dedicated virtual channel for printing. For more information, see https://support.citrix.com/article/CTX137939 and https://docs.citrix.com/en-us/citrix-virtual-apps-desktops/printing.html
  • UPD postscript printer drivers, provided the following conditions are met :
    1. The printer driver is installed on the macOS client.
    2. Core printing on macOS can work with the vendor-provided driver successfully.
    3. Changes in macOS impact the printing behavior (core printing APIs on macOS). Core Printing APIs have not been updated lately and might be prone to errors. For example, we had issues with double-sided printing on Catalina, which were resolved in Big Sur.

What is not supported

  • Multi-function scanners. A multifunction is a composite device that has more than one interface.
  • USB device splitting feature in GUSB virtual channel. Citrix Workspace app on Mac does not have the capability to differentiate between different interfaces of a composite device. This problem is not limited to our app, but printing on macOS in general. For more information, see https://discussions.apple.com/thread/5244577. On some printers, when printed from a session in Citrix Workspace app on Mac, printing is always either duplex or single sided depending on the printer. It ignores the Duplex/Single-sided settings issued from the VDA. This is a limitation on the macOS. When using the core printing Apple framework, macOS printing is being overridden by the printing settings in the CUPS printing system. This is a new behavior on the macOS 10.15 (Catalina) onwards. As a workaround, change the settings in CUPS printing system on macOS. You have to manually set the Duplex/Single-sided settings on CUPS.
  • Printer redirection through third party drivers.

External dependencies for printing (Apple/HP)

Citrix Workspace Mac Big Sur Community

  • macOS drivers for creating the print job.
  • Print support for macOS is very fragile as we depend on HP driver on VDA, explicitly signed by Microsoft. This is a limitation for compatibility with macOS.
  • On VDA 'HP LaserJet PS 2800 (Microsoft)' drivers signed by Microsoft is mandatorily required for client printer redirection on macOS.
  • macOS default: https://www.howtogeek.com/309677/how-to-stop-two-side-printing-from-being-the-default-in-macos/ workaround may be used to change settings in the CUPS daemon.