Active Directory - Part 1

Active Directory - Part 1

Active Directory (AD) is a directory service developed by Microsoft for Windows domain networks. It serves as a centralized.

  • Published on Mar 04 2024
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Active Directory (AD) is a directory service developed by Microsoft for Windows domain networks. It serves as a centralized repository for network resources, allowing administrators to manage and organize users, computers, groups, and other network objects. Active Directory provides a variety of services, including:

Authentication: Active Directory authenticates and validates the identity of users and computers logging into the network. It supports various authentication protocols such as Kerberos and NTLM.

Authorization: Once authenticated, users and computers are granted access to network resources based on their assigned permissions and security policies defined within Active Directory.

Directory Services: Active Directory stores information about network objects in a hierarchical, tree-like structure known as the Active Directory Domain Services (AD DS). This structure organizes objects such as users, groups, computers, and organizational units (OUs) into logical containers called domains.

Group Policy: Active Directory Group Policy allows administrators to define and enforce security settings, configurations, and restrictions for users and computers across the network. Group Policy Objects (GPOs) can be applied at the domain, site, or organizational unit level.

Single Sign-On (SSO): Active Directory enables Single Sign-On functionality, allowing users to access multiple network resources with a single set of credentials. Once authenticated to the domain, users can access authorized resources without needing to re-enter their credentials.

Replication: Active Directory replicates directory data between domain controllers within the same domain to ensure consistency and fault tolerance. This replication process ensures that changes made to directory objects are propagated throughout the network.

Directory Access Protocol: Active Directory supports standard directory access protocols such as Lightweight Directory Access Protocol (LDAP), which allows applications and services to query and retrieve information stored in the directory.

Active Directory is a core component of Windows-based network environments, providing essential services for user and resource management, security, and authentication. It offers scalability, flexibility, and integration with other Microsoft technologies, making it a widely used directory service in enterprise environments.


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