After you start or stop the Network Access Protection Agent service on a Windows XP Service Pack 3-based client computer, the value of the IKEFlags registry entry may change

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Article ID: 957808 - View products that this article applies to.
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SYMPTOMS

In the network environment, you use Group Policy to set the value of the following registry entry to 0x14:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\PolicyAgent\Oakley\IKEFlags
When you start or stop the Network Access Protection Agent (NAPAgent) service on a Windows XP Service Pack 3-based client computer, the value of the IKEFlags registry entry changes to 0x1c or 0x10.

RESOLUTION

Hotfix information

A supported hotfix is 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.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, submit a request to Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if 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. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:
http://support.microsoft.com/contactus/?ws=support
Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

To apply this hotfix, you must have Windows XP Service Pack 3 installed on the computer. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
322389 How to obtain the latest Windows XP service pack

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other hotfixes.

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 XP with Service Pack 3, x86-based versions
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File nameFile versionFile sizeDateTimePlatform
Napipsec.dll5.1.2600.568329,69624-Sep-200812:50x86

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

MORE INFORMATION

For more information, click the following article number to view the article in the Microsoft Knowledge Base:
914841 How to simplify the creation and maintenance of Internet Protocol (IPsec) security filters in Windows Server 2003 and Windows XP

Properties

Article ID: 957808 - Last Review: October 8, 2011 - Revision: 2.0
APPLIES TO
  • Microsoft Windows XP Service Pack 3, when used with:
    • Microsoft Windows XP Home Edition
    • Microsoft Windows XP Professional
Keywords: 
kbfix kbbug kbexpertiseinter kbautohotfix kbqfe kbHotfixServer KB957808

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