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When you disable and then re-enable the LAN-side network adapter on a Windows XP SP3-based computer that is configured as a Connection Sharing host, a client computer on the network cannot access the Internet
Article ID: 951830 - View products that this article applies to.
Consider the following scenario:
Note If the LAN-side network adapter is a USB-based network adapter, the issue also occurs when you physically disconnect and then reconnect this network adapter.
DNS server is not responding.
Update informationThe following file is available for download from the Microsoft Download Center:
Download the Update for Windows XP (KB951830) package now.
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For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.
(http://support.microsoft.com/kb/119591/ )How to obtain Microsoft support files from online services
PrerequisitesTo apply this update, you must have Windows XP Service Pack 2 (SP2) or a later service pack installed.
Restart requirementYou must restart the computer after you apply this update.
Update replacement informationThis update does not replace any other previously released updates.
Registry informationTo use this update, you do not have to make any changes to the registry.
File informationThe English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.
Windows XP with SP 3, x86-based versions
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To work around this issue, use one of the following methods.
Restart the Connection Sharing host computer.
Restart the Windows Firewall/Internet Connection Sharing service on the Connection Sharing host computer. To do this, run the net stop sharedaccess command to stop the service, and then run the net start sharedaccess command to start it.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about Internet Connection Sharing, click the following article numbers to view the articles in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/310563/ )Description of Internet Connection Sharing in Windows XP
314066For more information about how to use the NSlookup.exe utility, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/314066/ )How to enable Internet Connection Sharing on a home or a small office network connection in Windows XP
200525For more information, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/200525/ )Using NSlookup.exe
(http://support.microsoft.com/kb/824684/ )Description of the standard terminology that is used to describe Microsoft software updates