Microsoft KB Archive/915422

= Some content is unavailable when a user or a program tries to access a Web site through a computer that is running ISA Server 2004 Service Pack 2 =

Article ID: 915422

Article Last Modified on 9/20/2006

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APPLIES TO


 * Microsoft Internet Security and Acceleration Server Enterprise Edition Service Pack 2
 * Microsoft Internet Security and Acceleration Server 2004 Standard Edition Service Pack 2

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SYMPTOMS
When a user or a program tries to access a Web site through a computer that is running ISA Server 2004 Service Pack 2, some of the site's content is unavailable.

When this symptom occurs, the following event is recorded in the event log on the computer that is running ISA Server 2004 SP2: Event Type: Warning

Event Source: Microsoft ISA Server Web Proxy

Event Category: None

Event ID: 23004

Date:

Time:

User: N/A

Computer:

Description: ISA Server was unable to process a response body from /. The server supplied a compressed response although ISA Server did not request compression. The response was discarded. For more information, see Help and Support Center at http://support.microsoft.com.



CAUSE
This issue occurs if the following conditions are true:
 * The user tries to access a Web site that sends compressed HTTP responses.
 * ISA Server 2004 is configured not to request compressed HTTP responses from servers.

When a compressed response is received in this scenario, ISA Server 2004 denies the response.



RESOLUTION
To resolve this issue, obtain the update for HTTP issues in ISA Server 2004 SP2. For more information about this update, click the following article number to view the article in the Microsoft Knowledge Base:

916106 Update for HTTP issues in Internet Security and Acceleration Server 2004 Service Pack 2



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

Keywords: kbbug kbfix kbpubtypekc kbmsccsearch KB915422

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