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Creating A Windows 2012 Or 2012R2 Domain Controller

With Windows 2003 nearing end-of-life, it is becoming more imperative to upgrade to a newer operating system. For many IT admins, this is a great opportunity to start upgrading infrastructures to Windows 2012 or Windows 2012R2. Since DCPromo was depreciated in Windows Server 2012, the following article serves as a step-by-step guide to creating a Windows 2012R2 domain controller and adding it to an existing environment.


Adding the Windows 2012R2 Server Domain Services Role

There are a number of ways to get to the role management screen. The easiest will be to do it from the Server Manager window. If this window has already been closed, right click on My Computer, and select Manage.

Server Manager- Dashboard


Once the Server Manager has been opened, click on Manage and select Add Roles and Features.


Add Roles and Features


Once the Add Roles and Features Wizard has started up, select Next.


Add Roles and Features Wizard

On the next page, the default settings can be used.

Add Roles and Features Wizard - Default Settings


Under server selection, the default settings should be selecting the domain control.


Server Selection

On the Server Roles page, select Active Directory Domain Services.


Server Roles Page

Windows will prompt for any additional features that will be needed.


Add Roles and Features Wizard - Additional Features


The next window will prompt with a few additional notes regarding best practices. Note that the Active Directory Domain Services Role will install the following in a new environment:

  • DNS Services
  • DFS Namespaces Services
  • DFS Replication Services- Replication Services
  • Group Policy Management


Active Directory Domain Services

The confirmation page will display all components that will be reinstalled. Note that on a new server, a reboot is not required to install the Active Directory Domain Services role.


Confirm Installation Selections


Once the installation has completed, this machine can be promoted to a domain controller.

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