After the Active Directory preparation steps previously described have been completed, a number of new AD security groups are introduced. The groups can be divided into four primary categories: service groups, administration groups, infrastructure groups, and role-based access control (RBAC) groups. The purpose of each security group is described next.
Lync Server 2013 service groups include the following:
• RTCHSUniversalServices—Includes service accounts that can be used to run the Front End services and grants Lync servers read/write access to Lync Server global settings and Active Directory user objects.
• RTCComponentUniversalServices—Includes service accounts that can be used to run Lync conferencing and ...