http://blogs.technet.com/jkruse/archive/2008/08/25/edge-planning-tool-for-ocs-2007.aspxConfused about Edge Server configuration and security? The best idea is to come to UNC316: Office Communications Server 2007 Security: Architecture and Edge Services with Derrick Buckley and Craig Pringle at Tech.Ed in Sydney next week :) But if you can'ten-USCommunityServer 2.1 SP1 (Build: 61025.2)