Remote Desktop stopped working this week

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Hello all, my remote desktop ability went dead this week for some reason...

I have 3 computers on my LAN connected to a Linksys router. XPHome (dhcp) Win2k3 Server (.250) and XPPro (.200)

I have Linksys forward 3389 to .200 and 3390 to .250 to access those machines from work, I run windows firewall and Antivirus Guard on my XPPro box. Everything worked fine until this week. I havent installed any new applications, the only thing I can think of is the windows update on Tuesday, but I can no longer remote into my xppro box, I can remote into my server just fine. Again no changes...

Once I got home I tried remoting into my xppro from 1 of the other computers to eliminate any Linksys issues, and could not. I then tried to ping my computer by name and by ip, and all requests time out. Yet from xppro I can ping the other 2 computers just fine


XPHome -> Win2k3 OK
Win2k3 -> XPHome OK
XPPro -> XPHome OK
XPPro -> Win2k3 OK
Win2k3 -> XPPro TIME OUT
XPHome -> XPPro TIME OUT

Given those results I thought perhaps it was windows firewall, or maybe AntiVirusGuard added a firewall of their own. However after disabling both of those applications I still cannot ping my XPPro box on the same LAN, yet it can ping others just fine. I also have put XPPro in the DMZ and still cant ping it from the other computers on the lan

Is there anything else I can test with or look to disable. On either Linksys or the XPPro box?

 

[RebateMonger]

If you can't ping XP Pro on the same subnet, then there's a firewall or else your network stack or network card or cable has failed. Nvidia chipset?