1. Active Directory Stored collection of information about objects
Database of network objects
Information related to network resources to facilitate locating and managing objects

2. Directory Service Identifies users and resources
Provides a way to organize and access users and resources
Allows you to perform a number of functions
Acts as administration tool and end-user tool

3. Windows 2000 Workgroups

4. Windows 2000 Domains

5. Windows 2000 Active Directory Services
Introduction to Active Directory services
Active Directory features
Active Directory structure

6. Introduction to Active Directory Services
Included in Windows 2000
Provides a single point of network management
Includes the directory
Organizes resources hierarchically

7. Active Directory Features
Scalability
Open standards support
Domain Name System (DNS)
Lightweight Directory Access Protocol (LDAP)
Standard name formats

8. Active Directory Structure
Logical structure
Physical structure

9. Logical Structure Objects Organizational units (OUs) Domains Trees
Forests

10. Trees

11. Forests One or more sets of trees Disjointed namespaces between trees
Kerberos transitive trust relationships
Common schema
Global catalog

12. Trust Relationships One-way explicit trusts (Windows NT)
Two-way transitive trusts (Windows 2000)

13. One-Way Explicit Trusts

14. Two-Way Transitive Trusts

15. Physical Structure
Domain controllers
Sites