General Concepts

Domain

It stores all the critical information about the objects that belong to the domain only. Is the logical structure of the Active Directory.

Domain Controller

Is an Active Directory server that acts as the brain for a Windows server domain.

graph LR
  A[Users tries to access the domain] --> B[The request is first send to the DC] --> C[DC validates the request] --> D[Grant/Deny Access]

Trees and Forests

Trees: A set of Domains, are responsible for sharing resources between the domains. Forest: A set of trees

Trust in Active Directory

Is the established communication bridge between the domains in Active Directory.

AD trusts categorised based on characteristics are known as Transitive and non-Transitive trusts. Transitive trust reflects a two-way relationship between domains. If there are three domains, domain A trusts domain B and domain B has a transitive trust with domain C. Consequently, domain A will automatically trust domain C for sharing resources.

I can access the AD trust through the following: Server Manager > Tools > Active Directory Domains and Trust`