Question : error 733 in VPN

I try to access VPN using my Windows XP connect to my Windows 2000 Server & Exchange server as well.In order to receive the mail, i'm successful when i using Windows 2000 Professional launch the VPN, When i using same configuration in Windows XP Box, It prompt out a error message.
"TCP/IP CP Connected Successfully"
"IPX/SPX or compatible CP reported error 733, A connection to remote computer could not be completed"
What could be the promble, configuration seem Ok,Do i need to configure any setting in my server???
Hope you all can help me to solve it. Thanks EE Member.

Answer : error 733 in VPN

Open Network and Dialup connections, rightclick in the VPN you are using, click on properties, click on the "Network" tab, and uncheck "IPX/SPX".
Only leave TCP/IP, File and Printersharing and Clients for Microsoft networks checked..