Microsoft KB Archive/943129

= In a Network Access Protection (NAP) architecture, a Windows Vista-based client computer loses network connectivity after you run the &quot;gpupdate /force&quot; command =

Article ID: 943129

Article Last Modified on 12/14/2007

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APPLIES TO


 * Windows Vista Enterprise 64-bit Edition
 * Windows Vista Ultimate 64-bit Edition
 * Windows Vista Business
 * Windows Vista Business 64-bit Edition
 * Windows Vista Enterprise
 * Windows Vista Ultimate

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SYMPTOMS
On a network, you deploy a Network Access Protection (NAP) architecture. When you connect to this network from a Windows Vista-based client computer, you can access the network resource correctly. However, after you run the gpupdate /force command to reapply the Group Policy settings, the client computer may lose network connectivity.

This issue occurs when the following conditions are true:  Both IPsec policy and connection security rules are configured for NAP architecture. The value of the IKEFlags registry entry is set to 1C in hexadecimal.

Note This registry entry is located under the following registry subkey:





Hotfix information
A supported hotfix is now available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Windows Vista service pack that contains this hotfix.

To resolve this problem, submit a request to Microsoft Online Customer Services to obtain the hotfix. To submit an online request to obtain the hotfix, visit the following Microsoft Web site:

http://go.microsoft.com/?linkid=6294451

Note If additional issues occur or any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. To create a separate service request, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

Prerequisites
No prerequisites are required.

Restart requirement
You have to restart the computer after you apply this hotfix.

Hotfix replacement information
This hotfix does not replace any other previously released hotfixes.

Registry information
To use this hotfix, you do not have to make any changes to the registry.

File information
The 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 Vista, 64-bit versions


STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.



MORE INFORMATION
NAP is a new platform that does the following:
 * NAP performs computer health policy validation.
 * NAP guarantees ongoing compliance with health policies.
 * NAP optionally restricts the access of computers that do not comply with system health requirements until the health state of these computers can be corrected.

For more information about NAP, visit the following Microsoft TechNet Web site:

https://www.microsoft.com/technet/network/nap/napoverview.mspx

For more information, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

Keywords: kbfix kbqfe kbexpertiseadvanced kbhotfixserver KB943129

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