error message in remote desktop

[David]

The client computer could not establish a connection to
the remote computer
The most likely causes for this error are:
1) Remote connections might not be enabled at the remote
computer.
2) The maximum number of connections was exceeded at the
remote computer.
3) A network error occurred while establishing the
connection.

the client computer is running xp home and trying connect
to a 2000 server.Other machines running xp are able to
connect. The client computer doesnt even get a log on
screen.

 

[Not important]

You give too little information. Can you ping the machine
for instance?