Paul,
The server has a 3com onboard card and a Davicom HPNA card. The 3com is assigned 192.168.2.29 and the davicom is 169.254.78.149. The machine name is "Server". The computers are linked together through an SMC router on the 3com card. I type in "http://server:8090/trio-applet.htm" to get to the web front end. I have also used the 192.168.2.29 to connect. When doing this from the server, all is fine. But when I try to connect from the other 3 PC's in the house, I get the error I pasted above. I've tried all with the machine name connection and the IP address and get the same result. So I have to physically connect through PC Anywhere to look at the web front end. I have the 3com card set up as the only network card looking for host connection with PC anywhere.

I can connect through any of the other computers to the Jreceiver setup using "http://server:8080/jreceiver/logon.do". It appears there's an issue with security on that HPNA card but I don't have a clue WHAT is set that way or how to change it

I'm running Jreceiver with ARM to serve the HPNA setup (on recommendation from hipped1 - THANKS) and tRio 1.4alpha4.