Supported Server Collocation for Edge Components
Topic Last Modified: 2011-01-31
Access Edge service, Web Conferencing Edge service, and A/V Edge service are collocated on the same server. The following edge components cannot be collocated with each other or with any other Microsoft Lync Server 2010 server role:
The reverse proxy does not need to be dedicated to Lync Server. If you already have a supported reverse proxy server in the perimeter network to support other services, you can use it for Lync Server.
For details, see the Supportability documentation.