After installing the Lync 2010 Client and setting a manual configuration, I subsequently uninstalled Lync and now I can't connect to OCS 2007 Live Meetings. Please help!
Using Regedit, browse to the following key: HKEY_CURRENT_USER\Software\Microsoft\Shared\UcClient
Set ConfigurationMode to 0 Clear the ServerSipUri value data. Clear the ServerUsername value data.