Remove an Active Directory Domain Controller

Supprimer controleur de domaine

In this article, we will see how to remove a domain controller in an Active Directory environment. The deletion is done in two steps: Demote the domain controller: remove the controller configuration. Delete roles. Before downgrading the server, ensure that the server does not have an FSMO role and always have at least 2 active …

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DFS replication resolve error 4012

This article describes how to troubleshoot the DFS Replication Service 4012 error. In the Windows event log you have an error like this: The DFS Replication service stopped replication on the folder to the following local path: C: \ Windows \ SYSVOL \ domain. This server was disconnected from the other partners for a period …

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Printer mapping: GPO and Script

When setting up an Active Directory, one of the things you want to set up automatically is the mapping of printers to users. Prerequisite: Have a server with the Print Service role (optional). It is possible to share a printer from the control panel. Have one or more shared printers. As for the mapping of …

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GPO: disable access to previous versions


In this tutorial, I’ll explain how to disable access to previous versions from client computers by GPO in an active directory environment. Although convenient, this feature in case of user error can do some damage. As a reminder, in normal operation, access to previous versions is available by right-clicking on the folder. The GPO I …

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GPO: Disable Server Manager at Logon


When logging on to a Windows Server (since 2008), the server manager opens automatically, but you do not necessarily need it. Personally, I even find that it tends to slow down the system. In this tutorial, we will see how to disable it with Group Policy (GPO) in an Active Directory environment. GPO: disable the …

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Enable Windows Active Directory Recycle Bin 2012/2016/2019

Delete Objects - Trash

The Active Directory Recycle Bin is a feature that came with Windows 2008R2, which is disabled by default. To activate the recycle bin, the domain and drill level must be at least 2008R2. Once the trash is activated, it is not possible to go back. To use the Active Directory Recycle Bin, use the ADAC …

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Approval relationship between this workstation and the primary domain failed

Windows 7/8/2008/2012 Here is how to fix this problem : 1. Log in with a local administrator account 2. Launch a command window in administratorr 3. Enter the following command: NETDOM RESETPWD / /ud:[email protected] /pd:MotDePasse 4. Restart the computer Windows 10/2016/2019 With Windows 10, there are several solutions to fix the problem, which we will …

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GPO: Make users administrator of their computer

Presentation In this tutorial, we are going to have how to set up a GPO to make the admin domain users of their computer. The goal is to add the Domain Users group in the Administrators 1 group of the user station. The Domain Admins group is already a member of the group. Group Policy …

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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 for logical partitioning of the domain. Active Directory and also to apply rights delegations on children.

Active Directory: installation and configuration of a domain controller

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)