To enable or disable an user account in Active Directory, follow these steps:

1. Enable or Disable a User Account:
   
   1. Open the Local Users and Groups Snap-in on the domain controller.
   2. Right-click the user in the list, and select Properties
   3. On the General tab, under Account is disabled, select or clear the check box.


2. Set the User’s Password:
   
   1. In the Local Users and Groups Snap-in, right-click the user, and select Set Password.
   2. Type the new password twice to verify it.