Intermittent networking with XP MCE

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I'm setting up a new computer with Windows XP Media Center edition. The
biggest problem so far is that the networking is flakey. After I reboot, I
can sometime connect to other computers on the LAN, or to Web sites. But
after a few minutes, I can no longer connect. Other times, the network
connection starts working later, and then stops.

When it is working, I can ping other computers on the LAN, and also servers
on the Internet.

My LAN has a router and separate firewall box on a different subnet, with
the router handling DHCP. The MCE computer seems to get the DHCP information
correctly.

The home/small office network wizard seems to mess things up, by trying to
enable the firewall, and changing the workgroup name. I can't see anything
obviously different about the configurations on the other computers (some
running XP Pro and some Win2000). Ipconfig /all shows one difference that I
don't understand. The MCE machine has Node Type Mixed, XP Professional has
Hybrid, and one Win2000 machine has Broadcast. If this is important, I don't
know how to change it.

Any ideas on what to try, or process to follow, would be most appreciated.

Thanks
Mike


.

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