I have Windows XP Home V2002 service pack 2
Not sure exactly what firewalls I have
1.00gb ram
cable connection
motorolla modem
connecting from home
LW version 4.12.4 Pro Java 1.5.0_07
cox communications
not sharing connection no other p2p
tested 6346 it worked

To be honest it shouldnt be this difficult to set up your product..