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Knowledge Base

Enabling sound for the Remote Desktop Protocol (RDP) in a Windows virtual machine (1004839)

Last Updated: 1/17/2023Categories: How toTotal Views: 164885Language:
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Learn how VMware Skyline Advisor and Skyline Health Diagnostics work together to provide proactive intelligence and self-service log analysis.

Use Skyline Advisor to avoid issues before they occur across VCF, vSphere, vSAN, NSX, vROps & Horizon. Skyline Findings are based on top KBs, VMSAs/CVEs and design best practices.

Use Skyline Health Diagnostics to root cause vSphere & vSAN logs when an issue occurs. Skyline Health Diagnostic Findings are based on top KBs and VMSA/CVEs. You can use the Skyline Health Diagnostics tool in online or offline mode.

If you require additional help from technical support, please use Skyline Advisor to initiate a Log Assist to reduce time to upload logs. TSEs can also initiate logs to reduce effort.

Purpose

This article provides steps for enabling remote sound for a Windows virtual machine.
This article also provides steps for enabling sound for RDSH Remote Apps.

This is exclusively for sound over RDP. The Blast and PCoIP protocols will have functional sound by default and would require separate steps if the sound is not available.

Resolution

To enable sound in a virtual machine when connected using RDP:

Right-click Start and click Run.

Type gpedit.msc, and click OK.

Expand Local Computer Policy.

Expand Computer Configuration.

Expand Policies.

Expand Administrative Templates.

Expand Windows Components.

Expand Remote Desktop Services.

Expand Remote Desktop Session Host.

In Device and Resource redirection, enable Allow Audio and Video Playback Redirection.

Restart the virtual machine.

Further, if you are using Google Chrome, you need to disable the Audio Sandbox with the following registry key:

[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Google\Chrome]
"AudioSandboxEnabled"=dword:00000000

For more info, see https://cloud.google.com/docs/chrome-enterprise/policies/?policy=AudioSandboxEnabled

If you are using Microsoft Edge, please disable the Audio Sandbox with the following registry key:
[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Edge]
"AudioSandboxEnabled"=dword:00000000

In rare instances, it has been seen that the Horizon Client will be set to zero volume.  This can be observed by running sndvol.exe on the Windows Client device (or corresponding sound mixer on your OS of choice) and scrolling over to the Horizon Client.  If it is at zero, move it back up to an appropriate level.

Related Information

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为 Windows 虚拟机中的远程桌面协议启用声音

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