Networking World

Is a centralized database where it contains the information about the objects like users, groups, computers, printers etc.

Active Directory is a centralized hierarchical Directory Database.

Active Directory is a searchable Database.

In Windows 2003/2000 Operating system. when we install them first time , they are not acting as a Domain Controller. we have to to promote them as D.C i-e We have to install A.D.

Domain Controller (D.C.)

A server where A.D. is installed is called D.C.

Functionality of A.D.:

Using A.D. we can organize, manage and control resources. It provides single point of administration.

Purpose of A.D.:

1. Provides user logon authentication services.
2. To organize and manage user A/Cs, computers, groups and n/w resources.
3. Enables authorized users to easily locate n/w resources.

Features of A.D.:

1. Fully integrated security system with the help of Kerberos.
2. Easy administration using group policy.
3. Scalable to any size n/w
4. Flexible (install/uninstall)
5. Extensible (modify the schema)

New features in 2003

6. Rename computer name & Domain names.
7. Cross –forest trust relationship.
8. Site-to-Site replication is faster.