The following diagram shows the Office Communications Server 2007 R2 consolidated topology.

Figure 1. Office Communications Server 2007 R2 consolidated topology

In the Office Communications Server 2007 R2 consolidated pool topology, the following server roles and services are collocated on the same computer as the Front End Server:

In the Office Communications Server 2007 R2 consolidated edge topology, the following services are always installed on each Edge Server: