1. ACTIVE DIRECTORY

2. Active Directory is a Directory Service which Contains Information of All User Accounts and Shared Recourses on a Network. Active Directory is a Centralized Hierarchical Directory Database ACTIVE DIRECTORY

4. 1.Provide User Logon and Authentication Services 2.To organize and manage: User Accounts Computers Groups and Network Resources 3 Enables authorized Users to easily locate: Network Resources PURPOSE OF ACTIVE DIRECTORY

5. 1.Fully Integrated Security 2.Easy Administration using Group Policy 3.Scalable to any Size Network 4.Flexible 1.Rename Computer Name and Domain Names 2.Cross-Forest Trust Relationship 3.Site-To-Site Replication is Faster 4.Active Directory Application Mode (ADAM) FEATURES OF ACTIVE DIRECTORY NEW FEATURES IN ACTIVE DIRECTORY 2003

6. How Directory Service Evolved Server (Directory System Agent) D irectory I nfo B ase D irectory I nfo T ree Backup Server Client (D irectory U ser A gent ) DAP DOP D irectory O rganization Management P rotocol Earlier we had no DATABASE Standard So ITU & ISO introduced X.500

7. DAP Directory Access Protocol is based on OSI Layers LDAP Lightweight Directory Access Protocol based on TCP/IP Layer DAP was introduced in BANYAN VINES It named the Database as STREET TALK LDAP was first Introduced in NOVELL Novell named it NDS ( Network Directory Services

8. Logical Structure of Active Directory FOREST TREE Parent/Root Child/Branch

9. Domains: Trees, Forests, Trusts, and Outs Active Directory is made up of one or more domains. Creating the initial domain controller in a network also creates the domain—you cannot have a domain without at least one domain controller. Each domain in the directory is identified by a DNS domain name. You use the Active Directory Domains and Trusts tool to manage domains. Domains: Trees, Forests Active Directory is made up of one or more domains. Creating the initial domain controller in a network also creates the domain—you cannot have a domain without at least one domain controller. Each domain in the directory is identified by a DNS domain name. You use the Active Directory Domains and Trusts tool to manage domains.

11. TREE

13. Tree Forest Tree FOREST (Forest/Tree Root) CISCO.COM MCSE.COM (Tree Root) CCNA.CISCO.COM (Child Domain)

14. Physical Components of Active Directory Domain Controllers Sites

15. Sites Subnets are associated with sites A site can span multiple domains A domain can Span multiple sites zoom.com India USA WAN Link