Win XP SP2 Remotedesktop

Hi,

I found a message on the web, that it should be possible to connect more
than one user at the same time through remotedesktop on a machine running
win xp with sp2 rc2.
I made the following, necessary changes in the registry:

HKEY_LOCAL_MACHINE/System/CurrentControlSet/Control/Terminal
Server/Licensing Core

Created a new DWORD entry "EnableConcurrentSessions" and assign a value of 1
to it. Concurrent Sessions is now enabled.

then reboot...

But unfortunately the user who's logged on before, still is getting
disconnected as a second user tries to logg on remotely....

Is there anybody out there who tried this and who has a different
experience?

cheers

TOM