System keeps dropping off network

G

Guest

Have a problem with a system that is the second one to start doing this,
first one did it about 1.5 years ago (finally replaced it). Running WIndows
2000 on a Dell 8200 (1.7Ghz P4).

The system works fine for about 10 minutes after booting. Walk away from it
for 10 minutes and it drops off the network. Log off and back on and it is
back on the network.

Tried changing the cable, port it is using on the switch, bought a different
switch, moved to different desk in office, still having problem.

Changed out Network card with new one, that didn't help.

Have installed a different server (SBS 2003) since the first one had the
problem (running NT then), that one never was resolved.

While this is the second system on this network that has had this problem, I
have yet to see this problem with any other system anywhere and these are
Dell systems (and models) that I have used at 50+ different places.

They have 5 other identical systems in the office and none has the problem
(yet).

Anyone have a clue about what could cause this?
 
M

Mostro

when you says it drops off of the network does the"local area connection"
still show to be active? can you ping loopback? can you ping absolutely
nothing? are you using some sort of small office router/firewall that only
has a certain amount of licenses? does the NIC lose its light?
 

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