If the domain controller is not local to you and you don??™t
have some form of hardware-based, lights-out, remote-control solution, you would need
to visit the server physically to perform this task as well.
Microsoft has made managing Active Directory much easier by giving administrators
the option to stop and start Active Directory at will. DSRM is still available, but if
you want to perform simple maintenance tasks such as offline defrag, you can simply
stop the Domain Controller service on the domain controller. The server will effectively
stop acting as a domain controller, and the Active Directory database will be offline and
available for maintenance.
TIP Stopping the Domain Controller service also stops Active Directory??“dependent services such
as Distributed File System (DFS) replication, inter-site messaging, and Kerberos Key Distribution
Center. When you restart the service, the other services aren??™t automatically started, so you will need
to start them manually.
The advantage to this functionality is that unrelated services, such as DHCP, remain
up and running. If you run a small or medium-size network in which your domain controller
also acts as a DHCP Server, you can take your time performing Active Directory
maintenance while the server happily goes on issuing IP addresses. This feature is available
regardless of functional level, as non??“Windows Server 2008 domain controllers will
simply treat this domain controller just as they would any domain controller that is in
Directory Services Restore Mode.
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