During the setup of Enterprise pools and Standard Edition servers, there is an option to configure an external web farm fully qualified domain name (FQDN) on the web farm FQDN’s page during the Create Pool Wizard (or the Deploy Server Wizard). If a URL was not chosen during this process, it is necessary to configure the settings using the following procedure:
1. Open the Lync Server Topology Builder.
2. Choose Download Topology from Existing Deployment and click OK.
3. In Topology Builder, in the console tree, navigate to your Enterprise or Standard pool, and right-click the name of the pool.
4. Click Edit Properties.
5. In the middle of the Edit Properties screen, there is a field under external web services titled FQDN. ...