FIX: The data in a POST request is truncated to 49,152 bytes when an ASP.NET-connected application receives the POST request

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Article ID: 925248 - View products that this article applies to.
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SYMPTOMS

When a Microsoft ASP.NET-connected application receives a POST request, the data in the POST request is truncated to 49,152 bytes. This problem occurs if the following conditions are true:
  • ASP.NET is registered as a wildcard script map.
  • During the POST request, the HTML form that sends the POST request is accessed by an external process. For example, the HTML form is accessed by an HTTP module or by a global application event handler.

RESOLUTION

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

To apply this hotfix, you must have the Microsoft .NET Framework 2.0 installed.

Restart information

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:
911276 FIX: Error message when you try to go to an ASP.NET page by using a URL that contains Unicode characters: "HTTP error 400 'bad request'"
920970 FIX: You may experience an unexpected AppDomain restart in an ASP.NET Web application that is based on the .NET Framework 2.0
913393 FIX: You receive an exception error message when you specify a Content-Length HTTP header that is larger than 2 GB in ASP.NET 2.0
915782 FIX: You may receive an InvalidCastException error in an ASP.NET-connected Web application
918181 FIX: You receive a ThreadAbortException exception in an ASP.NET Web application that is based in the .NET Framework 2.0 when the Async page directive property is set to true
922770 MS06-056: Vulnerability in ASP.NET 2.0 could allow for information disclosure
911300 FIX: Error message when you try to browse the root folder of a Web application that is built on the .NET Framework 2.0: "Object reference not set to an instance of an object"
923707 FIX: Some characters in a text resource may not appear correctly when you try to embed the text resource in a Web application that is built on the .NET Framework 2.0
922345 FIX: Error message when you try to run an ASP.NET 2.0 Web application that includes Web services: "The file <FilePath> does not exist"

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.
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File nameFile versionFile sizeDateTimePlatform
Aspnet_wp.exe2.0.50727.21323,04016-Sep-200611:09x86
System.web.dll2.0.50727.2135,029,88816-Sep-200611:09x86
Webengine.dll2.0.50727.213300,03216-Sep-200611:09x86

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

Properties

Article ID: 925248 - Last Review: December 3, 2007 - Revision: 1.3
APPLIES TO
  • Microsoft .NET Framework 2.0
Keywords: 
kbfix kbqfe kbprb kbhotfixserver KB925248

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