October 17, 200619 yr If you use an external firewall program like I do (ZoneAlarm), make sure that (in Zonealarm terminology):- FSX is "Allowed" for at least the "trusted" zone.- "Stop all Internet activity" is NOT On.If either isn't true, SimConnect doesn't work (it uses TCP-IP appearantly).Go figure :-)Other firewalls probably give the same problem.Rob Barendregt
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