1. Go to Programs>Administrative Tools>AD Users and Computer
2.Under your domain, right click, New > OU
3.Enter your OU name.
4. A new folder will appear under your domain.
5.On your new OU, create your Users.
6. New Object window will open, enter your user logon, click next.
7. Enter your password, click next.
8.Click Finish.
9. You have now a OU and User.