Install Active Directory Domain Services (AD DS) and promote Windows Server to a domain controller. Then perform core user-management tasks in ADUC.
Setting up Active Directory starts with installing the AD DS server role on Windows Server and then promoting the server to a domain controller.
In Server Manager, click Add roles and features to launch the wizard.
Select Role-based or feature-based installation.
Select the local server from the server pool and click Next.
Select Active Directory Domain Services (AD DS).
Accept the additional features needed for AD DS.
Click Add Features, then Next.
Click Promote this server to a domain controller.
Select Add a new forest for this example.
Verify capabilities and set a Directory Services Restore Mode (DSRM) password.
Specify the NetBIOS domain name.
Paths for AD DS database, logs, and SYSVOL (defaults are fine for lab setups).
Run the check and then click Install.
The server installs AD DS and restarts automatically.
In Active Directory Users and Computers, right-click the Users container (or target OU) → New → User.
A common IT support task.
Use Find (toolbar icon) to quickly locate accounts in larger environments.
Accounts may lock after too many failed logons. For repeated locks, investigate mapped drives, services, or cached credentials.
Right-click the user → Properties → Account tab → check Unlock account.
This walkthrough installed AD DS, promoted the server to a domain controller, and covered essential ADUC tasks: creating a user, resetting a password, and unlocking an account.