Microsoft Windows 2000 Server Active Directory Service

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Microsoft Windows 2000 ServerActive Directory
Service

• Presented by Li Li
• Date Nov 01, 1999

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Active Directory Service

• What is Active Directory Service?
• How does Active Directory Service Work?
• What are the benefits of Active Directory Service?

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What is Active Directory Service

• Directory Service

• provides a place to store information about
  network-based entities, such as applications,
  files, printers, and people.
• provides a consistent service making the
  information available and usable to
  administrators, users, network services, and
  applications

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Active Directory Service

• directory service designed for Windows 2000
  network architecture

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Active Directory Architecture

• Hierarchical Organization
• Stores information in a tree structure
• Containers hold objects
• Container can hold other containers
• Object-Oriented Storage
• Support many different object types
• Object data stored as attributes
• Object- and attribute-level security

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Hierarchical Organization

• Active Directory organize information
  hierarchically
• Object
• Container
• Active Directory provide a single and centralized
  view

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Object-Oriented Storage

• Directory objects have attributes
• Object and attributes are protected by ACLs

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Integrated with DNS

• Use identical domain hierarchical structure

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Integrated with DNS (cont.)

• Different Namespace
• Different Service
• DNS is a name resolution service
• Active Directory is a directory service.
• DNS does not require Active Directory
• Active Directory Service does require DNS

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Integrated with DNS (cont.)

• An Active Directory client queries its configured
  DNS server to locate the Active Directory Server
• Then, the client uses LDAP to send queries to the
  Active Directory Server

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Replication in Active Directory

• Multi Master
• Property-level Replication
• Multiple Transports
• Automatic Topology Generation

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Replication in Active Directory
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Active Directory Benefits

• Simplifies Windows Management
• Strengthens Windows Security
• Extends Windows Interoperability

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Simplifies Management

• Active Directory organizes users and network
  resources hierarchically to simplify management

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Strengthens Security

• Active Directory provides internet-ready
  security services to protect data while
  facilitating access

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Extends Interoperability

• Active Directory provides a platform for
  integrating and extending systems through open
  interfaces, connectors and synchronization
  mechanisms

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Sources and Articles

• Active Directory Overview
• http//www.microsoft.com/windows/server/Overview/f
  eatures/ActiveDirectory.asp
• Active Directory Architecture
• http//www.microsoft.com/windows/server/Technical/
  directory/ADarch.asp

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Related to CS775

• X.500 Directory Service
• DNS
• Replication
• Security