In this way, the crucial data stored within Active Directory is both redundant and load-balanced.A directory, in the most generic sense, is a comprehensive listing of objects.Not all objects are as similar to each other as those stored in the phone book, so Active Directory includes the ability to record different types of information about different objects.

Active Directory is similar to a phone book in several ways, and it is far more flexible.

Active Directory will store information about organizations, sites, systems, users, shares, and just about any other network object that you can imagine.

Administrators of large environments were forced to partition their network into multiple domains interconnected with trusts.

Microsoft Windows 2000 Server introduces Active Directory to replace domain functionality.

Active Directory can resolve a wide range of objects, including users, systems, and services on a network.

Everything that Active Directory tracks is considered an . For example, all User objects share attributes to store a user name, full name, and description.

, published by Microsoft Press Overview Active Directory Components Managing Active Directory Security Use of DNS (Domain Name System) Global Catalog Replication Partitioning Schema: Attributes and Object Classes Objects Standard Object Classes Lightweight Directory Access Protocol (LDAP) ADSI (Active Directory Service Interface) Planning Your Network for Active Directory Summary Keeping track of everything on your network is a time-consuming task.

Even on small networks, users tend to have difficulty finding network file and printer shares.

The schema makes object classes different from each other.