OCS 2007 R2 Live Meeting A/V failure

Been working on a case to install OCS 2007 R2 with Live Meeting capabilities and stumbled upon this weird problem.

- OCS would work
- Live meeting would work
- A/V wouldn’t work

The client gave the following error message:

—————————
Voice and Video Error Information
—————————
Your attempt to start audio or video did not succeed.
Action required: Please try again to start audio or video. Alternatively, you can try closing and reopening Live Meeting.
—————————————————————————
More details for technical support:
—————————————————————————
Message Category: 3 (kServerError)
Message Code: 24 (kAddUserRequestFailed)
Root Cause Error: 0×80004005
Root Cause Component: kAVMCU
Audio Input Device: Headset Microphone (Logitech USB Headset)
Audio Output Device: Speakers (High Definition Audio Device)
Video Input Device:
Audio Muted: No
Media State: (43,0,0,0,2,0,AddUserRequestSent)
AvMcu Uri:
Avmcu Reachable: Yes
Acp Reachable: No
Diagnostics Information:

—————————Voice and Video Error Information—————————Your attempt to start audio or video did not succeed.

Action required: Please try again to start audio or video. Alternatively, you can try closing and reopening Live Meeting.

—————————————————————————
More details for technical support:
—————————————————————————
Message Category: 3 (kServerError)
Message Code: 24 (kAddUserRequestFailed)
Root Cause Error: 0×80004005
Root Cause Component: kAVMCU
Audio Input Device: Headset Microphone (Logitech USB Headset)
Audio Output Device: Speakers (High Definition Audio Device)
Video Input Device:
Audio Muted: No
Media State: (43,0,0,0,2,0,AddUserRequestSent)
AvMcu Uri:
Avmcu Reachable: Yes
Acp Reachable: No
Diagnostics Information:

Now, after a HECK LOAD of troubleshooting — and even reinstalling the entire solution a couple of times I found this blog post, and I couldn’t believe that in 2010 something like regional settings would still cause problems.

Anyhow, I did as the blog says and to my happiness it worked. Aye karamba! Next up is getting Squid/Pound/nginx as reverse proxy for the web components/conferencing.

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