Communications Server 2007. However, there are some changes in the steps. This section identifies the changes for Office Communications Server 2007 R2.
Forest Preparation Changes
The forest preparation step includes the following changes:
New containers are added under the RTC Service object:
Location Contact Mappings
New presence policies and settings are added to Global Settings:
The default location for global settings is changed from the System container to the Configuration container.
The minimum supported forest functional level is changed from Windows 2000 native to Windows Server 2003.
Domain Preparation Changes
The domain preparation step includes the following changes:
Permissions are granted to the new resources added in the forest.
The minimum supported domain functional level is changed from Windows 2000 native to Windows Server 2003.
Schema preparation is the first step in preparing Active Directory Domain Services (AD DS) for Office Communications Server 2007 R2.
The schema preparation step extends the Active Directory schema to include classes and attributes that are specific to Office Communications Server. It is run once, against the schema master, for each Active Directory forest where you plan to deploy Office Communications Server.
In a resource forest topology, this step is run only in the resource forest, not in any user forests. In a central forest topology, this step is run only in the central forest, not in any user forests.
Office Communications Server 2007 R2 introduces some new Active Directory classes and attributes. For a description of all the classes and attributes specific to Office Communications Server, see .
For the detailed steps and user rights required for this procedure, see .