domain administrator could not logon login to a member file server

Method 1:

"There are also 2 different Remote Desktop Users groups. There is a "local" Remote Desktop Users group on member servers, and then there is also a "Domain Local" Remote Desktop Users group on Domain Controllers. The latter is not assigned the right to logon through Terminal Services by default.

Method 2:

You could try editing this policy setting in your main GPO

Computer Configuration > Windows Settings > Security Settings > Local Policies > User Rights Assignment

In the right-hand pane, locate the entry named "Allow Log on through Terminal Services" and double-click on it.

Click "Add User or Group.."

http://community.spiceworks.com/topic/369614-domain-admins-cant-remote-into-any-machine