Active directory: How to set up a child domain

Domaine enfant objectif

In this tutorial, we will see how to put a child domain in an Active Directory tree.

A child domain is a subdomain of one of the component domains in your Active Directory forest.

Subdomain segmentation allows logical partitioning of the Active Directory and also enforces rights delegations to children.

This tutorial follows: How to deploy an Active Directory environment.

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How to deploy an Active Directory environment

In this tutorial, we will see how to set up an Active Directory domain.

In summary, an Active Directory is a database (LDAP) that contains a set of objects (users, computers, etc.) and delivers several services:

Centralization of objects on the network in a single database
User Authentication
Rights management
Policy Application (GPO)

GPO : Loopback Processing

In this tutorial, I will try to simply introduce you to how reminder loops work in GPOs.

It quickly becomes a joke when we have a mixed environment with local users, RDS users and mobile users.

Context

To illustrate this article, I am going to assume that I have a company with two remote sites of about thirty kilometers and that the HR has a fixed position on each site and 3 days work on site A and 2 days on site B .

Each site has two servers:

  • An Active Directory
  • A file server with the folders replicated by using the DFS service.

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