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It is possible to configure the Blast External URL on the Unified Access Gateway appliance to use port sharing on TCP port 443 so that no additional ports need be opened on the front-end firewall. There are a couple of logs you can look at that will give you Blast Extreme related information: C:\ProgramData\VMware\VMware Blast\ Blast-Service.log. Configuring Remote Desktop Features in VMware Horizon, Enabling the USB Over Session Enhancement SDK Feature. Do not attempt to support high-quality use cases over a WAN or poorly functioning network. Added recommendations for supporting work-at-home and home-office-to-cloud use cases. The range is 136, where 1 is the highest quality. VMware recommends use of Network QoS to prioritize display protocol network traffic, not just on constrained WAN circuits, but even on the LAN as well. Figure 4: Horizon Performance Tracker Reports Details of a Blast Extreme Session, NVIDIA Encoded H.264 with High Color Accuracy. Because H.264 also provides good support for most Windows, Linux, and macOS applications, it is also the default Blast Extreme codec option. It turns off or tunes the elements that unnecessarily waste system resources when used in shared, virtual environments. Note: Requires Horizon Agent 7.10 and Horizon Client 5.2 or later. The connection travels from the client to a Unified Access Gateway virtual appliance on TCP port 443, and then from the Unified Access Gateway to the Connection Server on TCP port 443. The following updates were made to this guide. Used together, the JPG/PNG codec is ideally suited for typical Windows and Linux applications, including Microsoft Office. : NVIDIA GPUs will also offload H.264 and HEVC encoding. The Horizon Clients can use either IP version 4 or 6. See, Worksheet for Creating an Instant-Clone Desktop Pool, You can also configure the remote display protocol at the RDSH server farm level. setting, which limits only the display traffic without negatively impacting audio, file transfer, or other supporting services. Lower power consumption means longer battery life. Note that this increases bandwidth and virtual desktop CPU utilization. With non-multimedia workloads, the Blast Codec uses the least bandwidth compared to all other codec options. Then select the appropriate Horizon version and click Go To Downloads. Note: At this point, the VMware Blast service on the agent side (Horizon Agent on the virtual desktop or RDSH server) proxies the incoming TCP connection. These settings determine a virtual webcam's maximum frame rate and image resolution. 8 Use View Administrator to configure the Blast External URL setting to use for the Blast Secure Gateway on the applicable View Connection Server instances and security servers. The connection continues from the Unified Access Gateway to UDP port 22443 on the agent. More than 8 virtual CPUs might be required to support the most demanding use cases, especially video gaming, even with NVIDIA hardware GPUs. For this reason, HEVC in Blast Extreme requires that the ESXi hosts supporting the virtual desktops and RDSH servers have NVIDIA Tesla or newer GPUs to offload its encoding. These were typically not sized to handle organizations rapidly shifting their workforces to work-from-home deployments. VMware Blast: H. 264 Quality. This guide is intended for IT administrators and evaluators who are familiar with VMware Horizon and VMware vSphere. To observe this in action we can control the codec selection using the VMware Blast settings on the Horizon client. This is ideal for providing remote access to user PCs. Visit these other VMware sites for additional resources and content. HEVC is also known as H.265 and is the industry successor to H.264. HEVC also requires clients to have physical GPUs with H.265 decode support, but fortunately, as with H.264, most client devices manufactured since 2015 have them. Continuing the theme of useful registry key settings you can bake into your image or manually configure for some quick testing, below is a list of corresponding Blast Extreme registry settings to the Horizon 7. It may be a good idea to completely uninstall VMware Tools and re-install. Desktop and RDSH server sizing and optimization. Get to know and understand the Anywhere Workspace solution. Because WANs involve long-haul circuits or even satellite connections, they also impose latency (delay), extending how long it takes packets to travel from sender to receiver. Windows desktop and server operating systems are not designed for efficient virtualization. Set, Use Blast Extreme clipboard settings to reduce or block using the clipboard. EncoderH264YUV444 Enables or turns off support for High Color Accuracy for H.264. And limiting frame rate for multimedia use cases such as streaming video simply impairs playback quality and user experience. Navigate the sophisticated world of Unified Access Gateway (UAG) for Workspace ONE and Horizon 8. Like the codec and transport options, they can be set using Group Policy or using your preferred method of making registry changes. To find out which Blast Extreme settings are available for a specific client platform, see the Horizon Client user guide for that platform, available from the VMware Horizon Client Documentation page. Added guidance on the benefits of HTML5 multimedia redirection. The Blast Codec was designed to be the ideal codec for these types of applications. Deselect all other codecs and codec options. Watch conversations with VMware experts on top-of-mind issues. Value: 1. By default, the traffic is then side-channeled on the Blast Extreme channel to the agent. 1 enable upload and download For Linux desktops: Horizon for Linux version 7.5 or later is required; Horizon for Linux version 7.10 or later is recommended. Another important aspect to consider is the size of the monitor (or monitors) to be used, and their screen resolutions. The following updates were made to this guide. For many customers, maximizing the capacity of these circuits will lead them to optimize Blast Extreme before the needs of any individual home user. Caroline Arakelian is a Senior Technical Marketing Manager, End-User-Computing Technical Marketing, VMware. Watch conversations with VMware experts on top-of-mind issues. Screen 0/1 @ Resolution: 1920 x 1080. Intelligence to determine and accommodate varying network conditions. 0 turn off upload and download Flash redirection causes the client to download and execute Flash content instead of rendering it in the virtual desktop and sending it across the WAN. Figure 3: Group Policy Settings for Blast Extreme. For a detailed list of Blast Extreme features, see the VMware Blast Extreme topic in the VMware Horizon Architecture Planning guide. Chris Halstead co-authored the original version of this white paper. VNCSERVER-WIN32: Successfully changed the NV display. Graeme Gordon is a Senior Staff End-User-Computing Architect, EUC Technical Marketing, VMware. Use the new Blast Codec plus H.264 with the encoder switch to provide efficient support for nearly all work-from-home and home-office-to-cloud use cases. For the following conditions, VMware recommends that you use TCP rather than UDP: For all other network conditions, VMware recommends that you use UDP for the best user experience. When you have created the registry key, re-initiate the connection to your VDI machine. The VMware virtual desktop pool setting in the Horizon administrative console You'll need to set the video resolution and the monitor account to their maximum values. Display resource-intensive multimedia content in a window instead of full screen. You can configure group policy settings that control the behavior of Real-Time Audio-Video (RTAV) on your remote desktops. TCP port 32111 is then used between the Unified Access Gateway and agent. Note: Despite the presence of a physical GPU, Blast Extreme with physical desktops is not able to offload H.264, H.264 with High Color Accuracy, or High Efficiency Video Coding (HEVC) encoding, even with NVIDIA GPUs. In addition to leveraging all of the optimizations described in the preceding section for still images, 3D design, and font quality, try the following suggestions: VMware Horizon and Blast Extreme support not just virtual desktops, but physical ones too. Updated product documentation links to use Horizon 8 documentation. The following diagram shows the ports used for an internal connection, and the list that follows describes the order in which the connections are made. VNCEncodeRegionNvEncGetHandle: region encoder NVIDIA NvEnc H264 using YUV 4:4:4 color space. But when rapidly changing screen content such as streaming video is detected, Blast Extreme automatically switches to multimedia optimized H.264. Incorporated various recent suggestions from reviewers. Log File Locations for Client and Agent Components Get introduced to our content types, tools, and capabilities. It is remarkable that this setup can be made to work over a WAN at all! Become a desktop virtualization hero with our curated activity path. HEVC also requires a client device capable of HEVC GPU decoding. Get to know and understand the Anywhere Workspace solution. Set up the VM with general settings, as follows, and then further configure according to the type of graphics acceleration you are using. HEVC will not work with CPU encoding alone. Various components of a display protocol can be configured to address the different types of screen content and differing network speeds that end users are likely to encounter. This connection is from the client to UDP port 8443 on the Unified Access Gateway. Get to know EUC vExperts from around the world. Although RAM is rarely the bottleneck, monitor RAM to ensure it is not being over utilized by applications. A Blast session is established between the client and agent (virtual desktop or RDSH server), using the TCP and, if available, UDP connection established through the Blast Secure Gateway. Open "Device Manager" Right click on the VMware Display adapter and open "Properties" On the "Driver" tab, select "Uninstall" NVIDIA Encoded H.264(H.264 Offloaded to GPU). 1. If users experience any of these issues, HCA can be enabled to improve quality while preserving H.264s multimedia efficiency. Follow these guidelines: Note that while the optimizations in this section are typically used with WANs, they can also be used on the LAN if Blast Extremes default settings use more bandwidth or other resources than desired. However, it does increase client CPU utilization by up to 200 percent for the duration of the redirection (from an average of 8 to 24 percent on a sample test system). Blast can deliver a decent experience with default settings, however, some networks and scenarios need additional tuning. If multimedia redirection (MMR) is enabled, this traffic uses TCP port 443 from the client to the Horizon Tunnel on the Unified Access Gateway. Here's a screen shot of the codec settings from the Horizon client: If you uncheck the option, "Allow H.264 decoding," you'll fall back to JPG/PNG and Performance Tracker will report, "adaptive", as the encoder. Figure 3: Tunneled Connection from Client to Agent Through the Connection Server. You should have: In order to optimize Blast Extreme, it is important to understand two key configurable components: the transport protocol and display protocol codec. By Peter Brown, Senior R&D Manager, and Tarique Chowdhury, Software Engineer For information about what's new with Horizon Real-Time Audio-Video, read this 2023 blog. Use Network QoS (Quality of Service). Desktop wallpaper unnecessarily expends both CPU resources to encode and network bandwidth to transfer. Information on how to enable build-to-lossless mode is covered in the next chapter, How to Configure Blast Extreme. Blast Extreme supports two transport protocols to carry the display traffic between clients and the Horizon infrastructure: TCP (Transmission Control Protocol) and UDP (User Datagram Protocol). Fortunately, Blast Extreme supports the H.264 codec for precisely this type of content. Use HTML5 multimedia redirection if resource-intensive web-browser-based content such as YouTube or eLearning streaming video must be supported at high screen resolutions without NVIDIA GPUs. In testing, TCP has been shown to handle high latency better than UDP. No tuning for Network Latency: Low bandwidth / High latency Environments require additional tuning, Please see Tuning Blast Extreme for Wide Area Networks for details. Still, when logged into a virtual machine, there is no improvement to the quality of the picture when run on a Thin Client. However, some applications and use cases require higher quality. Although this results in a similar reduction in the network bandwidth required, it uses substantially more CPU processing power to encode and decode. If the UDP connection is successful, Blast assesses the networks condition to decide whether to use TCP or UDP for session traffic. Some tradeoff in system configuration, supportable applications, and user experience is to be expected. Yes. Entitle users to desktops and published applications. Set. This guide is intended for IT administrators and implementors who want to provide end users with the best possible remote display experience. [VVCSessionManager] BlastSocketDataSockActivatedCb: Data Connection:UDP, [VVCSessionManager] BlastSocketDataSockActivatedCb: Data Connection:TCP. Using articles, videos and labs, this activity path provides the fastest way to learn Workspace ONE! Yes: Select Allow H.264 Decoding and Allow High Color Accuracy. SwitchEnc: 1 Screen 4 switching to BlastCodec encoder. How can i set the defaults for all my users on 16000 Hz? Ability to meet performance requirements for visually demanding applications when used with NVIDIA Tesla GPUbased hardware acceleration in the host. The fewer packets the display protocol has to transfer across the network, the fewer that will be affected by high latency. After comprehensive testing, we have determined that limiting frame rate provides little to no reduction in bandwidth or CPU utilization for typical applications and use cases. Activity Paths are guided and curated learning paths through modules and activities that help you cover the most content in the shortest amount of time. Use NVIDIA Tesla or newer GPUs. TLS version and encryption defaults are routinely updated to reflect current best practices. I'm searching for some settings to set retention/maximum log size/log level for this file. See our favorite tools, scripts, and flings from various sites. Ensure that ESXi hosts have sufficient resources, especially CPU. In testing, UDP has been shown to handle packet loss better than TCP in most situations. VMware made the DPI setting on the client device leading and adjusts the remote desktop accordingly. Be certain to test key applications and multimedia content before widespread deployment. If possible, prevent or encourage only limited use of bandwidth-intensive services such as file transfer. VMware Blast detects the presence of a vGPU system and applies higher quality default settings. HTML5 multimedia redirection transfers this screen content to the client as HTML5 code instead of far less efficient display protocol traffic. Blast Extreme will always resort to using more bandwidth, if necessary, to prevent the session from crashing. If you are using Horizon Client for macOS 5.0 or later, this Horizon Collector functionality is included in Horizon Client. In this mode, under typical application conditions, Blast Extreme uses the Blast Codec or JPG/PNG codec, both of which are optimized for text and still image quality. Join the community by engaging in forums, events, and our premier community programs. Let's set this to "Enabled" and set it to 60. The former option allows Blast Extreme to burst and use more bandwidth when necessary, while the latter attempts to more strictly control it. This means most should be considered medium- to high-speed WAN use cases. See the faces behind the names of our Tech Zone content. Webcam support in VMware Horizon View is a feature that has frequently been requested. After the policy is applied, the settings are stored in the registry key HKLM\Software\Policies\VMware, Inc.\VMware Blast\config. Monitors with higher screen resolutions, and use cases with multiple monitors, require more system resources, especially CPU and network bandwidth. Therefore, images compressed using JPG cannot be decoded and restored to the same quality they had before compression. Anirban Chakraborty, Senior Product Line Manager, Desktop Product Management, VMware, Kiran Rao, Senior Director, Desktop Product Management, VMware, Sandro Moiron, Staff Engineer, Virtual Workspace R&D, VMware, Sean Samenfeld-Specht, Director of Engineering, Virtual Workspace R&D, VMWare, , EUC Staff Architect, EUC Mobile Marketing, VMware, , Staff EUC Architect, Desktop Technical Marketing, VMware, Valeria Pressler, Staff Engineer, Virtual Workspace R&D, VMware, Mike Oliver, Staff Engineer, Virtual Workspace R&D, VMware, , Senior Manager, EUC Technical Marketing, Desktop Technical Marketing, VMware, HEVC (High Efficiency Video Coding, H.265), Offloading H.264 and H.264 with High Color Accuracy to an NVIDIA GPU, Additional Optimizations for Low Bandwidth, Additional Optimizations for High Latency, Additional Optimizations for Still Image, 3D Design, and Font Quality, Additional Optimizations for High-End Multimedia and Video Gaming.