As noted previously, Lync Server 2013 Standard Edition is designed for smaller deployments. Standard Edition deployments can have only one server per pool and use SQL Server Express on the same server as the front end. This results in limited scalability and limited high-availability options. For this reason, Standard Edition is recommended only for small deployments. The first step for any Standard Edition deployment is to prepare the server as a Central Management Store and prepare the database:
1. From the main Deployment Wizard screen, click Prepare the first Standard Edition Server in the right-hand pane.
2. Click Next at the first screen.
3. The window displays the actions being performed to prepare the server ...