Active Directory Basics

Active Directory Is a database, contains information about users, computers, network resources & provides directory services to work these together
Database DB file: %sytemroot%/NTDS/NTDS.DIT
Attributes Are the data items, used to determine the objects that are represented by object classes of schema
Objects Set of attributes for resources stored in AD,
Object Class Predefined set objects according to schema
Schema Is a formal definition for directory services & structure. Schema defines all attributes & classes.
Global Catalog Is a distributed data repository that contains searchable, partial representation of every object in domain/forest.

It contains:

The most frequently used attributes in queries, such as user’s first name, last name, etc

The information about location of all objects in the directory

The access permissions for each object & attributes

SYSVOL Is a shared directory that stores server copy of the domain public files that must be shared for common access and replication throughout a domain. It contains:

NetLogon shares: host logon scripts and policy objects for N/W client computers

User Logon scripts for domain (Domain Policy)

Windows Group Policy

FRS staging folder and files that must be available and synchronized between DC

File system junction

System State Is a current state of DC/Machines.

System State of DC contains:

AD files (NTDS.DIT)

The Boot files

The COM+ class registration database

The Registry

The SYSVOL

System State of non-DC contains:

The Boot files

The COM+ class registration database

The Registry

Regards

Satishkumar B M

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3 thoughts on “Active Directory Basics

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