A naming attribute from which an object distinguished name is
formed. For most object classes, the naming attribute is the
Common-Name. For example, a user object with its cn set to
"Jeff Smith" might have a distinguished name of "CN=Jeff
A programming model that defines how software components
communicate with and provide services to each another, regardless
of where the components reside. See The Component Object
partition that contains replication topology and other
configuration data that must be replicated throughout the forest.
Every domain controller in an enterprise forest has a replica of
the same configuration partition.
A directory object that can contain other directory objects. In
Active Directory, the schema definition of each object class
determines the types of objects that can be containers of instances
of the class. See Containers and Leaves and
A set of rules that define attributes of class instances stored
in a directory service. In Active Directory, the schema definition
of each class specifies the mandatory (mayHave) and optional
(mustHave) attributes for instances of the class.