|Do you have DHCP enabled and configured on the server?|
Is the client setup to get it's TCP/IP info from DHCP?
On both the server and the "guest" client, open a command prompt window (ie: Start >> Run >> type cmd and hit Enter) and run the following command:
and post the output of both in a repsonse. For instructions on the easy way to copy/paste the output of those commands click on my name above and read my "how-to" guide titled, "Post the output of ipconfig (version 2)"
It matters not how straight the gate,
How charged with punishments the scroll,
I am the master of my fate;
I am the captain of my soul.