You cannot use kernel caching for page content in a Web application that was built by using Microsoft ASP.NET 2.0. This problem occurs if the URL for the page has query string parameters.

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Hotfix information

A supported hotfix is now available from Microsoft. However, it is intended to correct only the problem that this article describes. Apply it only to systems that are experiencing this specific problem.

To resolve this problem, contact Microsoft Customer Support Services to obtain the hotfix. For a complete list of Microsoft Customer Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

Prerequisites

There are no prerequisites for installing this hotfix.

Restart requirement

You do not have to restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix replaces the hotfixes that are described in the following Microsoft Knowledge Base articles. For more information, click the following article numbers to view the articles in the Microsoft Knowledge Base:

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.

File name	File version	File size	Date	Time
Aspnet_wp.exe	2.0.50727.210	23,040	12-Sep-2006	17:10
Webengine.dll	2.0.50727.210	300,032	12-Sep-2006	17:10
System.Web.dll	2.0.50727.210	5,029,888	12-Sep-2006	17:11

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

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This hotfix adds the enableKernelCacheForVaryByStar configuration parameter to ASP.NET 2.0. The enableKernelCacheForVaryByStar configuration parameter lets you use kernel caching for page content when the URL has query string parameters.

After you apply this hotfix, set the value of the enableKernelCacheForVaryByStar configuration parameter for the application to true.

Note By default, the value of the enableKernelCacheForVaryByStar configuration parameter is false.

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

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