After the server has been fully prepared for installation, the topology must be edited and published to reflect the new Edge Server pool. This involves editing the existing topology, if it exists, and then republishing the topology so that all other servers in the environment are aware of the new Edge Server pool.
The next step in deploying an Edge Server is to edit the existing Lync Server topology. To edit the topology, perform the following steps:
If the Topology Builder is not already installed on the local computer or another computer in the environment, it can be installed from the Lync Server media.
1. Open the Lync Server Topology Builder.
2. When prompted to import an existing topology from Active ...