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Network dropping out of server

Posted on 2007-07-20
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I have three servers with idential hardware specs.  When I am transfering files over the network, the entire network will drop out. Why?  Here are some more details..

All three are Tyan barebones with Intel Pro/1000PM NICs with updated drivers - it does it on both onboard NIC ports
All are running Server 2003 R2 32bit and have been updated
All three are plugged into a Dell 6248 - I have swaped out this switch with a different one and it does the same thing
The problem is mainly happening when logged on to the server through terminal server - drops every 10-15 seconds for about 5-10 seconds
The same problem happens when not logged on to the terminal sever but not nearly as often
When the network dropps, it affects everything from RDP, file transfers, and ping
No error or anything show up in either the recieving or send servers logs
Nothing is going on else where on the server such as cpu or hdd usage
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Question by:amdoverclocker
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Expert Comment

by:pseudocyber
ID: 19530200
Make sure your NICs and ports are configured the same.  Could be a duplex mismatch - they should both be set, or both be autonegotiate.
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Author Comment

by:amdoverclocker
ID: 19530482
They are both auto. Thanks!
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Expert Comment

by:trickz_2
ID: 19530860
Actually it is better for servers to have their nics and the ports they are plugged into set to a specific speed. Auto is prone to mismatch and is a problem waiting to happen
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Author Comment

by:amdoverclocker
ID: 19553266
I agree but they are set to auto with the same result.
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by:trickz_2
ID: 19555589
Have you looked at the logs on the switch to see if there are errors recorded there?
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Author Comment

by:amdoverclocker
ID: 19589260
This ended up being a bios issue with the Tyan motherboard. I updated it and they are all working fine now.  Dumb.. just dumb. Go Tyan!
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