Networking Problem with Windows XP SP2

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venu.nayar@gmail.com - 30 Nov 2005 01:56 GMT

I have a IBM Thinkpad T41 running Microsoft Windows XP with SP2. It has
two network adaptors: an Intel PRO/Wireless LAN 2100 3B Mini PCI
Adaptor and an Intel Ethernet Adaptor. Every now and then, the system
boots up with no wireless connectivity and the ethernet adaptor
connected but no packets received or sent.

I cannot disable or repair the network connections. The only solution
seems to be to boot up in Safe mode without networking, uninstall the
drivers and then reboot up so that the network adaptors are recognized
and re-installed.

Can anyone help me identify the problem?

Thanks,
Venu Nayar.

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Steve Winograd [MVP] - 30 Nov 2005 07:57 GMT

>I have a IBM Thinkpad T41 running Microsoft Windows XP with SP2. It has
>two network adaptors: an Intel PRO/Wireless LAN 2100 3B Mini PCI
[quoted text clipped - 11 lines]
>Thanks,
>Venu Nayar.

Run this command to reset the TCP/IP stack, then reboot and see if the
problem is fixed:

netsh winsock reset catalog

If it isn't, please reply to this message in the news group (not by
E-mail) with more information to help other people understand the
problem:

What exactly happens when you try to disable or repair the network
connections? If there are error messages, what do they say?

Are there any relevant messages in Start | Control Panel | Performance
and Maintenance | Administrative Tools | Event Viewer? For more
information, see:

HOW TO: View and Manage Event Logs in Event Viewer in Windows XP
http://support.microsoft.com/?id=308427

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Best Wishes,
Steve Winograd, MS-MVP (Windows Networking)

Please post any reply as a follow-up message in the news group
for everyone to see. I'm sorry, but I don't answer questions
addressed directly to me in E-mail or news groups.

Microsoft Most Valuable Professional Program
http://mvp.support.microsoft.com

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venu.nayar@gmail.com - 30 Nov 2005 18:27 GMT

Running "netsh winsock reset catalog" and then rebooting did fix the
problem. Could you please explain what was happening?

In more detail, when I try to diable or repair the connections, the
system just hangs the repair window. All other programs can still run,
but the Network Connections windows stops responding.

Thanks,
Venu Nayar

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Steve Winograd [MVP] - 30 Nov 2005 22:18 GMT

>>>I have a IBM Thinkpad T41 running Microsoft Windows XP with SP2. It has
>>>two network adaptors: an Intel PRO/Wireless LAN 2100 3B Mini PCI
[quoted text clipped - 40 lines]
>Thanks,
>Venu Nayar

You're welcome. That command (which is new in XP SP2) resets the
TCP/IP Winsock catalog to its default configuration. I don't know the
details, but it can solve many types of unusual networking problems.

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