Database layerAn architectural layer of Active Directory that isolates the upper layers of the directory service from the underlying database system by exposing…
delegationAn assignment of administrative responsibility to a user, computer, group, or organization. [Exchange 2003]
Digest Access Protocol (DAP)A lightweight authentication protocol for parties involved in communications that are based on Hypertext Transfer Protocol (HTTP) or Simple Authentication…
DirectoryA simulated file folder or container used to organize files and directories in a hierarchical or tree-like structure.
Directory partitionA contiguous sub-tree of the directory that forms a unit of replication. A given replica is always a replica of some directory partition.
Directory ServiceBoth the directory information source and the service that makes the information available and usable.
DomainA sub-network of servers and computers within a LAN. Domain information is useful when restoring backup tapes, particularly of email.
domain controllerIn an Active Directory forest, a server that contains a writable copy of the Active Directory database, participates in Active Directory replication, and…
Domain ControllersActive Directory core service providers, DCs in the same domain share the same information.
Domain Name System (DNS)Hierarchical distributed database used for name/address translation and client-server rendezvous.
Domain Naming MasterThe master service that controls and authorizes domain naming within the forest.