Planning for External User Access
Microsoft Office Communications Server 2007 and Microsoft Office Communications Server 2007 R2 will reach end of support on January 9, 2018. To stay supported, you will need to upgrade. For more information, see Resources to help you upgrade your Office 2007 servers and clients.
Topic Last Modified: 2013-06-26
This section describes what is required to enable external user access, including the components to be deployed, supported topologies, requirements, and recommended deployment process.
You should deploy your perimeter network after you deploy your internal Enterprise pools or Standard Edition servers, but before you deploy any other features that support or rely on external user access.