If you have admin access to the computers in question, open up an MMC console on your main workstation or server, add a Group Policy snap-in and then click Browse and select the machine you want to change. You should be able to set policies and do pretty much anything as though you're actually there. -- "I saw Matlock in a bar last night; the sound was off, but I think I got the gist of it..."
reply to testingwsus GPO are just registry settings. So if you find the key that is being modified you can export it to a .reg file which will give you a 3-click install.