The active directory is the central repository of networks user which maintain the profiles of the network users. It creates and holds the authentication and authorization policies of the users using the resources..
At Active Directory system goto Start -> Run -> lusrmgr.msc you will receive the following error:
Method of Create user at active directory
Click on Start -> Programs -> Administrative Tools -> Click on “Active Directory Users and Computers”
Expend your domain and Right Click on Users -> New -> Click on User
In the next dialog you give user’s First name, Last name, and most important give log-on name and select domain and then click on Next
In next dialog give Password and Confirm Password. And select Password never expires if you want the user account never expires.
In next dialog, you can view created user summary. Then Click on “Finish”
Now user has been created and also able to get the full benefits of AD.