Importing users from ad to OD

Hi there,
I am trying to get my AD/OD integration running properly, and following a guide I have set up my server as an open directory master.
This server is not connected to my active directory domain.

on another mac client machine, I have the server tools installed, and this machine is connected to my domain, from here I should be able to list active directory users, and have another window open that is diplaying users on my od server.

when I do this, and drag users across, they dont move accross, the box to put the users in just stays empty. I have authenticated to the directory as diradmin, and cant see what is wrong.

I am fairly sure I have everything set up right, both client and server are on 10.4 with all updates.

Can anyone shed any light on why this is happening?