For Office Communications Server 2007 edge server deployments, you must be able to publish (or "reverse proxy") a number of Web sites required for the following:

The following table shows the specific Web sites used by the Web components in the reference architecture.

Table: Directories used by Web Components Server

Directory Server Name Use


Stores Address Book Server files

https:// /etc/place/null


Stores meeting content

https:// /GroupExpansion/ext/service.asmx


Stores distribution group expansion information

You can use Microsoft® Internet Security and Acceleration (ISA) Server or other reverse proxy in the perimeter network to publish these Web sites.

Follow the steps in the "Configure a Reverse Proxy" section of the document Microsoft Office Communications Server 2007 Edge Server Deployment Guide in order to create web publishing rules on your firewall for the above Web sites.