SERVER IS NOT CONFIGURE FOR TRANSACTION

I HAVE A NETWORK SETUP OF 10 PCs
1 PC HAS WIN2KPRO AND OTHERS HAS WIN98
WHEN I GO TO ACSSES WIN2KPRO FROM WIN98 AN ERROR
MASSEGE APPEARS “SERVER IS NOT CONFIGURED FOR TRANSACTION”
WHAT IS THE PROBLEM
PLZ SEND ME DETAILS
THANK U