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Keith Stein avatar Server

No sound from microphone over Remote Desktop (Windows Server 2019)

ng flag
Keith Stein

I'm trying to allow users to properly use video/voice chat software (like Teams) on our Remote Desktop server. Sound playback works fine, but I've been unable to get sound input (microphone input) through to the server.

The sound control panel on the remote server shows my input device as "Remote Audio", but shows no incoming signal when tested. On the local computer, the sound control panel does show a signal, so the mic is working locally, just not over RDP.

Remote server is running Windows Server 2019 Datacenter. Local clients are running Windows 10 or 11.

I have done some research on this issue, here's everything I've already tried:

  • In the Remote Desktop client, setting Local Resources > Remote audio > Remote audio recording to Record from this computer.
  • Ensure that both the Windows Audio and Windows Audio Endpoint Builder services are running on both the client and server machines.
  • Test that the microphone is working locally (as mentioned above).
  • On the remote server, edited group policy located in Computer Configuration > Administrative Templates > Windows Components > Remote Desktop Services > Remote Desktop Session Host > Device and Resource Redirection. I set Allow audio and video playback redirection and Allow audio recording redirection to Enabled. All other policy options in that folder remain Not configured.
  • Testing a second client machine.
  • Testing a second user account on the remote server.

None of the above fixed the problem for me. Any other suggestions?

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inframan avatar Server
cn flag
inframan

When you're connected within your RDP Session, did you check within : Settings > Privacy , then check within Microphone if the wanted apps are ticked or not.

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Keith Stein avatar
ng flag
Keith Stein
Good suggestion. I did not check there. Unfortunately I don't see anything helpful. On the remote server, even Windows itself seems to be getting no mic input (seen via the Control Panel). On the local machine (while RD is connected), nothing with a name similar to "Remote Desktop" appears in either the "apps" or "desktop apps" sections of the microphone privacy settings page.
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inframan avatar
cn flag
inframan
Crap... Another idea : if you go to HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \ Control \ Terminal Server \ WinStations \ RDP-TCP, what's the value of fDisableAudioCapture ? (enabled value : 0, disabled value : 1)
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Keith Stein avatar
ng flag
Keith Stein
The value of fDisableAudioCapture is 0 on both server and client.
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