To provide the necessary attributes used by Lync Server, it is necessary to extend the schema with the provided extensions. This process is easiest to run on a system destined to be a Lync Server, and by someone who is currently a member of the Schema Administrators group must perform it. If you add your account to Schema Administrators for installing Lync Server, be sure to log off and on to ensure you have a Kerberos ticket that reflects the recent group membership change. Prior to extending the schema, first install the following components:
• .NET 3.5 SP1
• Active Directory Domain Services (does not need to be promoted)
From the Lync Server installation media, follow these steps:
1. Launch Setup.exe.
2. When the wizard displays, ...