Active Directory Security Groups Enables groups spanning more than one domain or nested in other groups. Stores records of authorized DHCP servers. Routing and Remote Access Stores remote-access permissions and policy.
Clients can locate most local servers.
Used for certificate validation and defining EFS recovery policies. Print Services Users can search for printers by attributes. Group Policy Can define policies for sites, domains, and organizational units. Certificate Server Can assign, manage, and revoke, certificates. Message Queuing Services Stores configuration and status information.