I've installed OCS 2007 in our environment and it works like a charm except for one aspect. The A/V conferencing feature doesn't seem to work when a Live Meeting is created. I've ran the validation logs in the OCS installation wizard and have no errors with that portion of my setup. I did find a link stating that there was an issue with A/V compatibility with Server 2008 R2, which is the OS have OCS 2007 R2 installed on. I wanted to ask the experts if they knew of a fix for this or could provide any guidance on a work around?
OCS is not yet supported nor functional on Server 2008 R2. Changes to the way SSL works in Server 2008 R2 have prevent some of the TLS communications in OCS and you'll most likely not be able to get it working until updates are released for OCS. The supported 'workaround' is to move back to Server 2008 for the host OS.