You may receive a blank page when your browser submits a POST request to an ASP Web page through ISA Server 2004

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Article ID: 895202 - View products that this article applies to.
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SYMPTOMS

When your browser submits a POST request to an Active Server Pages (ASP) Web page through Microsoft Internet Security and Acceleration (ISA) Server 2004, you may receive a blank page in response.

CAUSE

This problem may occur if the following conditions are true:
  • Your ISA Server 2004-based computer is configured with a Content-Type-based rule.
  • The Content-Type-based rule applies to HTTP traffic that is evaluated when the POST request is processed.
  • The POST request that is made by the client is an HTTP 1.1 request.
  • The Web server sends back an "HTTP 100 Continue" response before it sends the "HTTP 200" response together with the response data.

RESOLUTION

Service pack information

To resolve this problem, obtain the latest service pack for Internet Security and Acceleration Server 2004. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
891024 How to obtain the latest ISA Server 2004 service pack

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. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

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, contact 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

ISA Server 2004, Standard Edition
You must have ISA Server 2004 Service Pack 1 installed to apply this hotfix. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
891024 How to obtain the latest ISA Server 2004 service pack
ISA Server 2004, Enterprise Edition
No prerequisites are required to install this hotfix.

Restart requirement

You do not have to restart your 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 tool in Control Panel.
ISA Server 2004, Standard Edition
   Date         Time   Version       Size     File name
   -------------------------------------------------------
   01-Apr-2005  00:39  4.0.2163.252  647,440  w3filter.dll
ISA Server 2004, Enterprise Edition
   Date         Time   Version       Size     File name
   -------------------------------------------------------
   02-Apr-2005  18:19  4.0.3440.252  663,320  W3filter.dll

STATUS

Microsoft has confirmed that this is a problem in Microsoft Internet Security and Acceleration Server 2004. This problem was first corrected in Internet Security and Acceleration Server 2004 Service Pack 2.

MORE INFORMATION

For more information about how to install ISA Server 2004 hotfixes and updates, click the following article number to view the article in the Microsoft Knowledge Base:
885957 How to install ISA Server hotfixes and updates

REFERENCES

For more information, click the following article numbers to view the articles in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates
885957 How to install ISA Server hotfixes and updates

Properties

Article ID: 895202 - Last Review: December 4, 2007 - Revision: 5.8
APPLIES TO
  • Microsoft Internet Security and Acceleration Server 2004 Standard Edition
  • Microsoft Internet Security and Acceleration Server 2004 Enterprise Edition
Keywords: 
kbautohotfix kbisaserv2000presp2fix kbfix kbbug kbhotfixserver KB895202

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