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Windows desktop and server operating systems are not designed for efficient virtualization. Some even suffer from packet loss, where packets never arrive at the destination at all! Get introduced to our content types, tools, and capabilities. Horizon Client 4.8 or later is required; Horizon Client 5.2 or later is recommended. Chris is EUC Staff Architect, End-User-Computing Technical Marketing, VMware. Important: Many of the optimizations available to the other codecs have not yet been developed for the Blast Codec, including the ability to set custom image qualities. Since first joining VMware in 2008, Mark has focused on helping customers succeed with their end-user computing endeavors. Yes: Select Allow High Efficiency Video Coding. A certificate thumbprint is a cryptographic hash of a certificate. Be certain to test key applications and multimedia content before widespread deployment. Yes: Select Allow H.264 on the client. We have many more paths than are shown here. When client-drive redirection (CDR) is enabled by the administrator, by default, the traffic is side-channeled on the Blast Extreme channel. (the lowest currently supported setting). WANs typically have just a fraction of the bandwidth that is available on local area networks (LANs). Blast Codec support for the encoder switch was added in Horizon 7.11. : Many of the optimizations available to the other codecs have not yet been developed for the Blast Codec, including the ability to set custom image qualities. The Blast Extreme template is named: vdm_blast.admx and can be found in the VMware-Horizon-Extras-Bundle-xxx.zip file, with xxx indicating the corresponding version of Horizon. Still, when logged into a virtual machine, there is no improvement to the quality of the picture when run on a Thin Client. The traffic uses the native port for each of the remote experience features between the Connection Server and the agent: With an external connection, the client is connecting from outside the corporate network to the Unified Access Gateway. HEVC will not work with ESXi CPU encoding alone. Set up the VM with general settings, as follows, and then further configure according to the type of graphics acceleration you are using. Applications and use-cases that require higher quality typically have demanding graphical requirements that can only be supported by hardware GPUs. 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. Note: For more information about internal client connections, see Network Ports in VMware Horizon. Encoder Switch: JPG/PNG and H.264 with HCA. The authors wish to thank the following people for their contributions to this paper: To comment on this paper, contact VMware End-User-Computing Technical Marketing at euc_tech_content_feedback@vmware.com. Contains entries that tell you whether UDP or TCP is being used. Keep in mind that MinBandwidthKbp and MaxBandwidthKbps also impact all services, including audio and file transfer, while MaxBandwidthKbpsPerMegaPixelSlope only limits the bandwidth used to transfer the screen contents. The following updates were made to this guide. Troubleshooting VMware Horizon View Blast Secure Gateway Service Initiation Issues (54145) - This article walks through steps to increase logging to get precise . Note: To open the dialog box for changing VM settings, in the vSphere Web Client, right-click the VM in the inventory, and select Edit Settings. Note, however, that the encoder switch cannot currently be used with High Efficiency Video Coding (HEVC) or when H.264 and H.264 with High Color Accuracy encoding is offloaded to an NVIDIA GPU. Instructions for configuring all of the Blast Extreme codec options are provided in the next chapter, How to Configure Blast Extreme. Blast Extreme Display Protocol in VMware Horizon Technical Guide, Configuring Remote Desktop Features in Horizon 7, Using Horizon to Access Physical Windows Machines, VMware Workspace ONE and VMware Horizon Reference Architecture, Deploying Hardware-Accelerated Graphics with VMware Horizon, VMware Windows Operating System Optimization Tool Guide. A codec is used to encode and decode the screen content transferred by Blast Extreme. If the primary use-case is full motion video or high-speed motion graphics such as gaming, use the H.264, H.264 with High Color Accuracy or High Efficiency Video Coding (codecs), offloaded to an NVIDIA Tesla or newer GPU. These settings are used to configure the address at which clients can reach the specific server when tunneling is in use. It is extremely important to recognize that optimizing for higher quality nearly always results in more system resources being used, not less. format. Note: To enable the new Blast Codec with Horizon Client 5.2, create a file named: config.ini in %appdata%/Vmware in each users profile on their virtual desktop or shared RDSH server. blast-worker-sessionid1.log . Figure 4: External Connection from Client to Agent Through the Unified Access Gateway. Use Group Policy to prohibit use of desktop wallpaper. Use our product forums to engage with the community. These settings will override all other Blast Extreme settings. Monitor for high CPU Ready times (which are evidence of processor contention). VNCSERVER-WIN32: ***Setting topology completed by Nvidia Display***. 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. The display protocol is transferring 6 frames per second, and estimates of network bandwidth and latency are provided. It also causes some screen content to letterbox, which may impair user experience. Keep in mind that this may complicate WAN use cases. If i enable USB Redirection for the Headset, i can choose 48.000 Hz. Three Blast Extreme components are built into the Horizon Agent, which administrators install in virtual desktops and Microsoft RDSH servers: Log files related to Blast Extreme can be found in the following locations: To collect logs on a Mac, you can use the Horizon Collector for Mac Fling (which like all VMware flings, is not officially supported). PixelProviderHDRReferenceWhite - Introduced in Horizon 8 (2106). You are about to be redirected to the central VMware login page. TLS version and encryption defaults are routinely updated to reflect current best practices. In the client VMware Blast settings, Allow High Efficiency Video Decoding (HEVC) and Allow High Dynamic Range Decoding (HDR) needs to be turned on. The former option allows Blast Extreme to burst and use more bandwidth when necessary, while the latter attempts to more strictly control it. This is simply due to the larger number of pixels that must be supported at higher resolutions. The Connection Server returns the connection information for the virtual desktop or RDSH server that provides remote applications (on TCP port 443). Figure 2: Internal Connection from Client to Agent Using Blast Extreme. In testing this has been shown to decrease the amount of network bandwidth used by Blast Extreme. To collect logs on a Mac, you can use the. The encoder switch switches the codec for an entire screen, not just a portion of a screen (screen region). In testing, viewing a YouTube video in a standard window instead of full-screen reduced bandwidth utilization by 53 percent. There are some special considerations when supporting work-from-home and home-office-to-cloud use cases: The other common reason to tune display protocols is to increase quality. Fortunately, this processing can be offloaded from the CPU to graphics cards (GPU) in the device. This means the client resorts to CPU decoding, which can result in degraded performance on weak client hardware, particularly when using high-resolution monitors. VNCRegionEncoder_Create: region encoder h264 4:4:4. Mark Ewert is a Senior Product Line Manager, EUC Desktop Products, VMware. You can configure group policy settings that control the behavior of Real-Time Audio-Video (RTAV) on your remote desktops. (Requires NVIDIA GPU), VNCRegionEncoder_Create: region encoder NVIDIA NvEnc HEVC. JPG/PNG can also be configured to use build-to-lossless mode. Start here to discover how the Digital Workspace empowers the Public Sector. 3 enable file download only, 0 turned off in both directions captures the screen and handles everything within the session. Consider using the HEVC codec. Testing has shown this reduces the bandwidth required to support such content by up to 80 percent. Workspace ONE Access, formerly known as Identity Manager, is a powerful tool. Explore custom assets and resources for federal, state, and local government framework solutions here, including industry-leading, public-sector solutions for endpoint management security, virtualization, cloud, and mobile, commercial requirements, industry standards, government certification, and accreditation programs. 1 enabled in both directions NVIDIA Encoded H.264 Keep in mind, however, that Blast Extreme will always resort to using more bandwidth, if necessary, to prevent the session from crashing. For more information, see, Common Criteria Certification Report for VMware Horizon. For extreme low-bandwidth, high-latency, or high-performance uses cases, however, Blast Extreme comes equipped with several tuning options, as described in this guide. Then select the appropriate Horizon version and click Go To Downloads. Configuration Settings for Administrators, Tuning Blast Extreme for Wide Area Networks, Guidance for Work-from-Home and Home-Office-to-Cloud Use Cases, VMware Horizon Cloud Service on Microsoft Azure, A solid understanding of desktop and application virtualization, A good working knowledge of networking and infrastructure, covering topics such as Active Directory, Group Policy, and supporting technologies. H.264 applications that require higher color quality or that exhibit lack of clarity with H.264 alone. 2. 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. It also causes some screen content to letterbox, which may impair user experience. New in Horizon 8 (2106): HEVC with High Dynamic Range (HDR) Encoding. Blast Extreme was carefully designed to provide an excellent out-of-the-box experience, with no additional configuration required in almost all cases. There is something for every experience level. Using articles, videos, and labs, this activity path provides the fastest way to learn Workspace ONE! HEVC also requires a client device capable of HEVC GPU decoding. The VMware Workspace ONE and Horizon Reference Architecture guide provides guidance for architecting Workspace ONE and Horizon deployments. However, it is important to note that building-to-lossless increases session bandwidth utilization because more display information is sent across the network. The Blast Codec was designed to be the ideal codec for these types of applications. Yes: Deselect all codecs and codec options (uncheck: H.264, Allow High Color Accuracy, and Allow High Efficiency Video Coding). Although Blast Extreme is designed to provide an excellent, out-of-the-box configuration for most use cases, some network conditions and applications require additional tuning. The Blast Worker process ( VMBlastW.exe) captures the screen and handles everything within the session. Easily manage VM Profile settings across images. Access technical, third-party tips, tricks, and how-tos. Blast Extreme is included with VMware Horizon, the latest generation of VMware desktop virtualization and remote application-delivery software. (maximum display bandwidth) to the maximum desired bandwidth utilization per user. HTML5 multimedia redirection transfers this screen content to the client as HTML5 code instead of far less efficient display protocol traffic. 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. By default, Blast Extreme is capped at 30 frames per second (FPS). This will reduce both network bandwidth and CPU utilization. Set, Use Blast Extreme clipboard settings to reduce or block using the clipboard. VMware Blast Extreme uses the H.264 video encoding standard which any modern mobile device can handle in its GPU, rather than CPU. If users experience any of these issues, HCA can be enabled to improve quality while preserving H.264s multimedia efficiency. Screen 0/1 @ Resolution: 1920 x 1080. Figure 1: Blast Extreme Settings on Horizon Client for Windows. There is something for every experience level. Encoder Switch: Blast Codec and H.264 with HCA. Update for VMware Horizon 7 versions 7.1 and 7.2. Introduced in Horizon 8 (2106): Enable support for High Dynamic Range (HDR) color. Find assets to help you develop an adoption strategy that engages employees through careful messaging, education, and promotion. This tool takes a very high-level pass at turning off everything that only makes sense in physical server environments and tries to tune performance settings for VM environments. Horizon Client, on the client device, authenticates and requests a desktop or application. Yes: Deselect all codecs and codec options (uncheck: H.264, Allow High Color Accuracy, and Allow High Efficiency Video Coding). Therefore, images compressed using JPG cannot be decoded and restored to the same quality they had before compression. 2 When RDP protocol is tunneled through the Connection Server or Security Server. Blast Extreme now supports four codecs: JPG/PNG, H.264, High Efficiency Video Coding (HEVC), and the new Blast Codec. There is a unified image quality configuration setting that controls the remoted display image quality level across all Blast encoders. Explore how VMware can help solve an IT team's most pressing digital workspace challenges. Enable build-to-lossless mode if supporting a use case such as non-diagnostic medical imaging, which requires the display to be transferred without loss of quality. Horizon Client supports H.264 software encoding and hardware decoding on the following types of clients: Horizon Client also supports High Efficiency Video Coding, or HEVC for short. Introduced in Horizon 8 (2106) is support for High Dynamic Range (HDR) encoding to provide higher graphical quality with vastly improved color range and contrast. HDR also requires Horizon 8 (210) or later with Horizon Agent build 2106-8.3.0-18287218 or later and Horizon Client build 2106-8.3.0-18287501 or later. The actual size of the cache will be the lesser of this value, and the value of EncoderImageCacheSizeKB set on the agent side but cannot exceed half of the available RAM. Connection Server 7.1 or later is required; Connection Server 7.10 or later is recommended. Learn how to architect the right security solutions for your business needs. Blast Extreme must be on TCP 443 only (as described previously for port sharing). When helping customers troubleshoot poorly performing infrastructures, VMware Professional Services routinely finds that the virtual desktops have not been sized properly and are consequently running out of critical resources such as virtual CPUs. However, it is a new and rapidly evolving codec. It is especially good at reproducing intricate fonts and other screen content with fine details, including still images and low-motion 3D modeling used by design and engineering applications. After the policy is applied, the settings are stored in the registry key HKLM\Software\Policies\VMware, Inc.\VMware Blast\config. The VMware Blast service ( VMBlastS.exe) manages user sessions, proxies incoming TCP connections, and prepares the Blast Worker process. UdpEnabled Enables or turns off support for the UDP transport protocol. Deploy virtual desktops and RDSH servers on fast virtual disks (all-flash or flash-optimized). Although this strategy makes for reliable delivery, the process adds overhead. Accepts integer value greater than 0. Blast-Worker-SessionID#.txt. Some tradeoff in system configuration, supportable applications, and user experience is to be expected. The Horizon Client authenticates to a Connection Server through the Unified Access Gateway. If this functionality is used, configuration settings are created within each users profile in the following registry key: HKEY_CURRENT_USER\SOFTWARE\Vmware, Inc.\Vmware Blast\Config. To verify operation, examine the logs. Find all of TechZone's available downloadable content here. Yes: Select Allow H.264 Decoding and Allow High Color Accuracy. You can combine GPU with PCoIP and blast settings to adjust video performance, frame rate (frames per second), i mage quality level, based on your available . Get all the Tech Zone demos in one place. Streaming video, for example, may freeze for a moment or pixelate briefly, but otherwise continue playing. Do not forget the incoming Internet circuits. The fewer packets the display protocol has to transfer across the network, the fewer that will be affected by high latency. Figure 2: Codec Options Available in the Horizon Client. 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. How can i set the defaults for all my users on 16000 Hz? Most configuration settings can be made directly in the Windows Registry of each virtual and physical desktop and RDSH server using your preferred tool for making such registry changes. Using articles, videos and labs, this activity path provides the fastest way to learn Workspace ONE! If the Horizon Performance Tracker cannot be used or does not provide the desired details, the most effective way to verify the Blast Extreme configuration is to examine the log files on the virtual desktops, physical desktops, or RDSH servers. TCP 443 is used between the client and the Unified Access Gateway. Because of its efficiency and excellent performance, UDP, which is the default transport protocol Blast Extreme uses, should not be changed, with two exceptions. Settings made directly in the registry are dynamic and take effect immediately, whereas those requiring a client setting will take effect only after the client disconnects and reconnects to a live session. Fortunately, VMware has developed a free tool to optimize Windows desktops and servers. RDP is working fine but not pcoip/blast because you might have not optimized these two protocols for this purpose.Increase video memory to 128MB on master image and recompose/push. By default, H.264 in Blast Extreme uses a 4:2:0 sample rate, with the 2:0 indicating that only a quarter of the information about image color is included, compared to HCAs 4:4:4. VMware Blast detects the presence of a vGPU system and applies higher quality default settings. VNCSERVER-WIN32: Successfully changed the NV display. Special note about NVIDIA GPU supported use cases: Using NVIDIA GPUs to support H.264 and High Efficiency Video Coding (HEVC) substantially increases session bandwidth. Blast Extreme can also use the certificate thumbprint of the Blast Secure Gateway or virtual desktop. 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. If the administrator has enabled additional remote experience features such as USB redirection or client-drive redirection (CDR), the administrator can choose whether traffic for these features will be carried on virtual channels within the Blast session or on separate dedicated connections. Ability to meet performance requirements for visually demanding applications when used with NVIDIA Tesla GPUbased hardware acceleration in the host. Be sure to also leverage HTML5 multimedia redirection if browser-based HTML5 content must be supported. Set-ItemProperty -Path "HKLM:\SOFTWARE\VMware, Inc.\VMware Blast\Config" -Name "SslHash" -Value $regthumb # Fill the SslHash for Blast to use the computernamed certificate # Restart the Blast service to take effect Restart-Service -Name VMBlast -Force } Kind regards, Ralph Hofman Share Reply 0 Kudos chsa_topsoe Contributor 11-17-2021 04:03 PM The following diagram shows the ports used for an internal tunneled connection, and the list that follows describes the order in which the connections are made. If possible, prevent or encourage only limited use of bandwidth-intensive services such as file transfer. HEVC with High Dynamic Range (HDR) Encoding. The following settings are specifically helpful for handling low-bandwidth conditions: Note that these minimum and maximum bandwidth settings are best effort, not hard limits. The author wishes to thank the following people for their contributions to this paper and the growing knowledge of how to optimize VMware Blast Extreme: To comment on this paper, contact VMware End-User-Computing Technical Marketing at euc_tech_content_feedback@vmware.com. HEVC supports higher-quality imaging with less bandwidth utilization than H.264. If extensive use of graphically intensive content such as streaming video must be supported, consider asking users to view this content in a window, instead of full-screen mode. If you have a GPU to offload H. 264 and the available bandwidth, you can change this setting to reduce the . 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. Consider using HCA for H.264 with the encoder switch to dynamically match the highest-quality H.264 configuration with the Blast Codec or JPG/PNG. Quando os clientes se conectam a uma rea de trabalho ou aplicativo remoto com o protocolo de exibio PCoIP ou Blast Extreme do VMware, o Horizon Client pode fazer uma segunda conexo com o componente do Secure Gateway aplicvel em uma instncia do intermedirio de conexo ou Unified Access Gateway appliance. This capability not only provides a better user experience but also reduces the resources required for display protocol encoding overall.