How to create a Domain Controller – DC on Windows Server 2012, 2019
The following article will guide how to create a Domain Controller in Windows Server 2012, 2019
Go to Server Manager > Add roles and features as shown below:
Click next.
The next screen displays select Server Roles> Active Directory Domain Services and click Add Features:
Then, click Next and keep the default options. Go to this Confirmation window, click Install to begin the installation and create the necessary of Domain Controller services:
To start creating the Domain Controller, click on the Promote this server to a domain controller link at the Role installation end screen above, or outside the Server Manager interface, click Deployment Configuration as shown:
Create a new ADD forest called ADMIN.local, click Next: ( example (admin.local) )
Next to Domain Controller Options, select Forest Functional Level – FFL and Domain Controller Level – DCL at the default option, and enter the DSRM password. Besides, this is the system’s first DC, so Windows Server 2012, 2019 will claim to be the Global Catalog – GC, and we cannot change this option. Click Next:
Warning about DNS show, ignore click Next:
Check the NetBIOS name section. Since you named the AD Forest admin.local in the preceding step, the NetBIOS Name will be admin:
Next keep the folders and paths related to Active Directory (including Database, Logs file and Sysvol) and click Next:
Check all the information and options in this Review Options section, or you can export it to a script file to run by PowerShell if you click the View Script button:
Once OK, then move on to the Prerequisites Check section to officially create a DC:
After installing and creating the DC successfully, Windows Server will automatically restart. You need to note that during this reboot, the login account will be in the form of domain/username, not a simple username as before. At the same time, in the Server Manager interface, in the Tools section you can also see additional services such as:
Active Directory Administrative Center
Active Directory Domains and Trusts
Active Directory Module for Windows PowerShell
Active Directory Sites and Services
Active Directory Users and Computers
ADSI Edit
DNS
Group Policy Management
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