Remote desktop timeout at connection time

Hello to all

I have the following problem
I have windows XP SP2 with the last remote desktop client
I would like to launch the remote desktop client and make him wait until the
server is up.
I mean I have a server that starts after I have lounched the remote desktop
client so the client has to wait until the server is up.

or if it is possible, make the server call the clent when he is ready (as
some VNC programs do)

I have searched in the registry, GPO and on google but found nothing useful.

Thanks
Giuseppe