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Windows 2000 machine losing network connection every 20-30 minutes.

Posted on 2011-02-14
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Last Modified: 2012-05-11
Here is what I've tried:
1. Reset the TCP/IP stack.
2. IPCONFIG /RELEASE & RENEW
3. Renaming the computer on the domain.
4. Checked both DHCP and DNS for dup. entries.

It still is reestablishing connection every 20-30 minutes.
Message 1:The server could not bind to the transport \Device\NetbiosSmb because another computer on the network has the same name.  The server could not start.

Message 2:Your computer was unable to automatically configure the IP parameters for the Network Card with the network address ''.  The following error occurred during configuration: The parameter is incorrect.

Message 3: Your computer was not able to renew its address from the network (from the DHCP Server) for the Network Card with network address ''.  The following error occured:
The semaphore timeout period has expired. . Your computer will continue to try and obtain an address on its own from the network address (DHCP) server.
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Question by:fishbowlstudios
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by:omarfarid
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there is another computer on the network with same computer name. either find the other computer and change its computer name or change your computer name
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by:fishbowlstudios
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If you will read the post above, I did change the name of the computer without success. Do you have any other suggestions?
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by:omarfarid
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sorry I did not read carefully, but what do you mean by "Renaming the computer on the domain"?
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by:sysreq2000
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I've seen that happen on computers with dual NICS, would that be possible in your case? If so and one NIC is active but unused try disabling it. Otherwise I will keep thinking.  8)
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by:fishbowlstudios
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I disjoined the computer and then I renamed the computer from its original name to a different name and then rejoined the computer back to the domain.
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by:fishbowlstudios
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Just 1 NIC. :(
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by:sysreq2000
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Well, not really a solution but as a work around you can try assigning a static IP. That should at least keep you connected until you have time to troubleshoot at your convenience.

If you still lose connection with a static IP then you know you probably have a hardware problem or a wrong driver or something along those lines.
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by:sysreq2000
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Oh yeah, what kind of switch do you have? Is it possible there is a loop? Does your switch use STP?
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by:fishbowlstudios
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Thanks Sysreq. I did try assigning a static to the computer but with the same result. I am running a virus scan to see if this may help with the issue. I'll let you know what the outcome is.
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by:fishbowlstudios
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We have a cisco switch with STP. :)
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by:shadowmantx
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I had a similar problem with a pc.  The built in nic on the motherboard was failing.  So I installed a pci nic card and that solved my network drop outs.  Afterwards, I disabled the nic on the motherboard.
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sysreq2000 earned 250 total points
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I assume you have portfast on the switchport you're using for that PC. If so try turning STP back on and see if it's detecting a loop.

Otherwise you probably do have a hardware or driver issue with the nic.
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by:fishbowlstudios
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Ok, I finally found out what it was. The reason why I was having the issues was the network cable was half way out of the block it was plugged into. Thanks everyone for your help.
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