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network connections

By lords.classic ·
winXP Pro, when I connect a specific workstation into network hub, network connections become disabled. I'm using a 4 port hub for a small network, two workstations work great, connections are up and running with just those two... when either of the other two connect, within two minutes the entire network does not exist... all settings are identical in a workgroup setting, all receive the same zone and subnet mask with an auto assigned IP.
How can I get this network up completely, what is wrong with the two machines that kill the connection?

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by jschein In reply to network connections

1st guess would be, if these 2 machines connected to the network brings the entire network down... Do a full and complete anti-virus check.

There is no humanly way possible a pc added to a network would bring it down, not even if the card was misconfigured.

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by lords.classic In reply to

You called it... I had planned on doing a network install after they were all connected, but before I could. the virus, W32.Pinfi infected everyone on the network... a learning experience for someone still green in the gills.
After clearing up the infection, everything is excellent, and I thank you so much. You are the networking GOD, as I had an administrator who does that kind of thing for a living tell me I needed about $3k in equipment to fix it, and I knew he had to be wrong.
Thanks again

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by Moadibe In reply to network connections

Have you tried to connect the culprit PC's by themselves one at a time to see if they have any connectivity what so ever? If they can connect by themselves and the others one by one checking the settings on each PC after each PC is connected. WHen the network goes down, try to look at the IP settings for each PC (ipconfig /all).
See if removing the last PC restores the network.
Also since this is a home network, I'm assuming it's peer to peer. Are you running ICS? Does the entire network disappear on all PC's? Can any device be pinged on the network?

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by lords.classic In reply to

Thanks for trying... it's actually a small business network, not enough to warrant a large scale setup. I've done ipconfig /all, when the network does go down, the information is the same as it was previous to the failure, also, once it goes down, ping requests time out on the good systems, and on the culprits, the hosts are not found. Also, when the network goes down, it's over the entire network, so that all machines are affected, once the bad machines are taken out of the loop, ICS comes back, and all equipment needs to be reset / rebooted in order to restore the network between the two good machines.

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by Moadibe In reply to network connections

Have you tried to connect the culprit PC's by themselves one at a time to see if they have any connectivity what so ever? If they can connect by themselves and the others one by one checking the settings on each PC after each PC is connected. WHen the network goes down, try to look at the IP settings for each PC (ipconfig /all).
See if removing the last PC restores the network.
Also since this is a home network, I'm assuming it's peer to peer. Are you running ICS? Does the entire network disappear on all PC's? Can any device be pinged on the network?

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by lords.classic In reply to network connections

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