Remote desktop problem

I have to grant someone access to server view remote desktop, I created user and added to remote desktop users group, enabled remote desktop on server, however didn't work and I can't add him to administrators group
any advice
any advice
Comments
I notice you have mcse listed under your certs. Do you have the mcse?
I solved by adding the user in the <Allow Log on through Terminal Services> Policy
I know its weird but I have cert Msce2003