The first step of the Lync installation process will be to cache the setup files locally on the server.
1. Insert the Lync Server 2013 media on the server to be used as a Director and launch
Setup.exe found in the
2. Enter a location for the installation files to be cached and click Install. The default location is
C:\Program Files\Microsoft Lync Server 2013.
3. Select I Accept the Terms in the licensing agreement and click OK.
After you’ve browsed to the setup folder using Windows Explorer, the install window might appear behind the current Explorer window. It can be easy to miss this fact, so check the taskbar for the Lync install icon if some time has passed without any screen activity.