Last Month the Japanese try to retrive this mod a little bit more. They played in the at 2pm CET. At the moment the gametracker,com Server Monitorring is off. Hope soon they turn it on. The ranking seems to work.
Look at the bottom chapter. This is the only free way I could find, let me know if it works This will let you log in as admin and change your users password in safemode afterwards, I dont know if it supports other users but give it a go.