Optimization for Microsoft Teams | Citrix Virtual Apps and Desktops 7
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Andrew GL. Some users are frequently having issues with incoming and outgoing screen shares. If they try to share their screen, remote users will not be able to see the content.
To take advantage of the offload capability, you must use Horizon Client for Windows or later, Horizon Client for Mac or later, or Horizon Client for Linux or later. The Media Optimization for Microsoft Teams group policy setting must be enabled in the virtual desktop. Web browser media offload is supported with the Browser Redirection feature. See Configuring Browser Redirection for support details. This section briefly lists the system requirements for both the client and the virtual desktop when using the Media Optimization for Microsoft Teams feature.
Client system for OSes supported with a specific release, see the appropriate Horizon Client release notes. You can see the setting if you select Customize installation in the installer.
Double-click the. If you are using the installation wizard, you can see that the Media Optimization for Microsoft Teams option is selected, as shown below. Media Optimization for Microsoft Teams is also installed by default in the Horizon Agent, but it is controlled with a GPO, which is not enabled by default.
After setting this policy, you must log out of the Horizon desktop for the GPO policy to take effect. Horizon Agent must be installed before Microsoft Teams. If the order is reversed, then on first run, Microsoft Teams does not detect Horizon Agent and caches an environment value that indicates the feature is running on an unsupported remote desktop. This results in Microsoft Teams never supporting the Media Optimization feature unless the cache is deleted.
To avoid this issue, be sure to install Horizon Agent before you install Microsoft Teams. Then, on first run, Microsoft Teams detects Horizon Agent and caches the correct environment value, which verifies that the feature is running on a supported remote desktop. As described in the overview of this guide, there are significant advantages to running Microsoft Teams in optimized mode. However, as you are planning your implementation, keep in mind that end users who are not running supported Horizon Client versions Horizon Client or later for Windows, Horizon Client or later for Mac, or Horizon Client or later for Linux will not be able to take advantage of this feature.
They will not, however, go back to running the full client in the virtual desktop because the GPO has set Microsoft Teams to offload audio and video to the client.
Those users will instead run in fallback mode. A user can check if Microsoft Teams is running in optimized mode, fallback mode, or natively no optimization in the virtual desktop.
Audio and video quality may be reduced. Talk to your IT admin. If you enable the optimization GPO in the virtual desktop, these clients, although not officially supported, will begin implementing offload. The bugs we found in these clients during beta testing are fixed in Horizon Client for Windows version or later for Horizon 8 or Horizon Client for Windows 5.
VMware strongly recommends using the officially supported versions. For beta testing, VMware published the Horizon Client beta installer for Mac via the beta portal that supports optimization. VMware recommends that you use the officially supported version, Horizon Client or later for Mac, to get the latest functionality and bug fixes for the Mac client.
Similarly, VMware published a beta version of Horizon Client for Linux that supports optimization via the beta portal. VMware recommends using the officially supported version, Horizon Client or later for Linux, to get the latest functionality and bug fixes for the Linux client. The ports described on that page are required to be opened on the client device. Note : The usual Horizon ports are also required, as detailed in the following documents:. Some organizations might require that the process name of the Teams Optimization Pack be added to a firewall allowlist, to allow communication to the Microsoft Teams Cloud server.
The process name is vmware-remotemks. This is a Microsoft restriction. In certain low-powered clients, users may want to turn off software acoustic echo cancellation to reduce CPU usage. In most cases, VMware recommends using the default configuration, which is designed for optimal audio experience. But if you are having issues with echo, software acoustic echo cancellation can be configured by using a GPO on the Horizon Agent or by setting a registry key on the Horizon Client.
Note that this configuration is only supported on Windows Clients. After setting this policy, you must log out of the Horizon desktop for the GPO policies to take effect.
This configuration can also be applied on the Horizon Client for Windows device by setting the following registry key:. To troubleshoot, start by checking whether Microsoft Teams launched in optimized mode and whether the correct local client device names are being picked up.
If so, you can check whether the Microsoft Teams redirection plugin has been installed and check the logs to verify that optimization has been enabled. Procedures for these tasks are described in the following sections:. Figure 9: Version Box for Microsoft Teams. If the registry key is not set, follow the installation guidance for Horizon Agent, as described in Horizon Agent Installation and Configuration. This support means that the endpoint must be able to perform DNS resolutions.
Consider a scenario where there is no direct path between the two peers or between a peer and a conference server and you are joining a multi-party call or meeting. The HdxRtcEngine. These ranges include both Transport Relays and media processors, front-ended by an Azure Load Balancer.
Call quality depends on the underlying network protocol. Meetings fail. Use this architecture diagram as a visual reference for the call flow sequence. The corresponding steps are indicated in the diagram. Citrix media engine and Teams. With Direct Routing, you connect your own supported session border controller to the Microsoft Phone System directly without any additional on-premises software. Call queues, transfer, forward, hold, mute, and resume a call are supported.
Starting with version , Citrix Workspace app supports dynamic emergency calling. The notification is provided based on the current location of the Citrix Workspace app that runs on the endpoint, instead of the Microsoft Teams client that runs on the VDA. To enable dynamic emergency calling, the administrator must use the Microsoft Teams Admin Center and configure the following to create a network or emergency location map:.
When users start an optimized call using the Microsoft Teams client for the first time, they might notice a warning with the Windows firewall settings. The warning asks for users to allow communication for HdxTeams. You can apply more restrictive rules if you want. You can deploy Microsoft Teams and Skype for Business side by side as two separate solutions with overlapping capabilities. For more information, see Understand Microsoft Teams and Skype for Business coexistence and interoperability.
Examples include island modes and Skype for Business with Microsoft Teams collaboration. Also, Skype for Business with Microsoft Teams collaboration and meetings. Peripheral access can be granted only to a single application at the time. For example, webcam access by the RealTime Media Engine during a call locks the imaging device during a call. When the device is released, it becomes available for Microsoft Teams. Optimal audio and video quality require a network connection to the Microsoft cloud that has low latency, low jitter, and low packet loss.
Backhauling of Microsoft Teams audio-video RTP traffic from Citrix Workspace app users at branch office locations to a data center before going to the internet can add excessive latency. It might also cause congestion on WAN links.
This use is to identify, categorize, and steer Microsoft Teams traffic. Business broadband internet connections in many areas suffer from intermittent packet loss, periods of excessive jitter, and outages. You can use multiple meetings or chat windows for Microsoft Teams in Windows. This feature is supported with Citrix Workspace app for Windows Microsoft Teams supports Gallery , Large gallery , and Together mode layouts. Microsoft Teams displays a 2x2 grid with video streams of four participants known as Gallery.
In this case, Microsoft Teams sends four video streams to the client device for decoding. When more than four participants share video, only the last four most active speakers appear on the screen. Microsoft Teams also provides the large gallery view with a grid up to 7x7. As a result, the Microsoft Teams conference server composites a single video feed and sends it to the client device for decoding, resulting in lower CPU consumption.
Lastly, Microsoft Teams supports Together mode , which is part of the new meeting experience. Using AI segmentation technology to digitally place participants in a shared background, Microsoft Teams puts all participants in the same auditorium. The user can control these modes during a conference call by selecting Gallery , Large gallery , or Together mode layouts in the ellipses menu. Microsoft Teams relies on video-based screen sharing VBSS , effectively encoding the desktop being shared with video codecs like H and creating a high-definition stream.
With HDX optimization, incoming screen sharing is treated as a video stream. Starting from Citrix Workspace app or higher for Windows, Linux or Mac, users can share their screens and video camera simultaneously.
Instead, the screen sharing video feed shows. The peer must then manually resume the camera sharing. In that case, other peers can still see your webcam and content and navigate back and forth to review other slides. In this scenario, the slides are rendered on the VDA. Outgoing screen sharing is also optimized and offloaded to Citrix Workspace app. Set specific permission in Citrix Workspace app for Mac to enable screen sharing.
For more information, see System Requirements. Citrix Workspace app minimum version is required. Starting with Citrix Workspace app for Windows To share a specific app:. Compatibility with app protection The screen sharing of a specific app is compatible with the app protection feature in HDX optimized Microsoft Teams. You can only select the Window option to share any open app. This feature is supported in the following versions of Citrix Workspace app there is no dependency on the VDA version or Operative System, single session or multisession :.
You can request control during a Microsoft Teams call when a participant is sharing the screen. Once you have control, you can make selections, edits, or other keyboard and mouse activities to the shared screen.
To take control when a screen is being shared, click Request control button in the Microsoft Teams UI. While you have control, you can make selections, edits, and other modifications to the shared screen.
For these actions, you can use both keyboard and mouse. Give and Request control are not available if the user is sharing a single app also known as App sharing. The full desktop or monitor must be shared.
When optimization for Microsoft Teams is active, the Citrix Workspace app accesses the peripherals headsets, microphones, cameras, speakers, and so forth.
Microsoft Teams does not access the devices directly. Instead, it relies on the Workspace app WebRTC media engine for acquiring, capturing, and processing the media. Microsoft Teams lists the devices for the user to select. After the peripheral is selected, Microsoft Teams caches the information of the peripherals. As a result, the peripherals are automatically selected when you reconnect to a session from the same endpoint. Workspace app Mar 27 The legacy HDX technologies might be webcam redirection and client audio and microphone redirection.
In fallback mode, the peripherals are mapped to the VDA. The peripherals appear to the Microsoft Teams app as if they were locally attached to the virtual desktop. You can now granularly control the fallback mechanism by setting the registry keys in the VDA. For information, see Microsoft Teams fallback mode in the list of features managed through the registry. The webcam name has the Citrix HDX suffix as shown in the following graphic.
The speaker and microphone device names might be slightly different or truncated when compared to the optimized mode. Instead, HDX technologies use server-side rendering. Real-time audio performance might not be optimal. The development, release and timing of any features or functionality described in the Preview documentation remains at our sole discretion and are subject to change without notice or consultation.
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July 6, Contributed by: C. Citrix Preview Documentation. This Preview product documentation is Citrix Confidential. If you do not agree, select Do Not Agree to exit. Displays a 2x2 grid with video streams of four participants. Only the last four most active speakers appear on the screen and other participants do not appear on the grid.
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