Microsoft KB Archive/839663

= You cannot disable HTTP chunked encoding in BizTalk Server =

Article ID: 839663

Article Last Modified on 5/15/2006

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APPLIES TO


 * Microsoft BizTalk Server 2004 Developer Edition
 * Microsoft BizTalk Server 2004 Enterprise Edition
 * Microsoft BizTalk Server 2004 Partner Edition
 * Microsoft BizTalk Server 2004 Standard Edition

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Important This article contains information about modifying the registry. Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base:

256986 Description of the Microsoft Windows Registry



SYMPTOMS
Microsoft BizTalk Server uses chunked encoding in HTTP transport when the message size is more than 48 KB. Sometimes, you may not want to use chunked encoding. For example, you may have to disable the chunked encoding when the other end of the HTTP transport cannot receive chunked encoding.



Service pack information
To resolve this problem, obtain the latest service pack for Microsoft BizTalk Server 2004. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

888751 How to obtain the latest BizTalk Server 2004 service pack

Hotfix 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.   Date         Time   Version     Size     File name 31-Mar-2004 21:08  3.0.5266.0  144,896  Btshttpreceive.dll 31-Mar-2004 21:08  3.0.5266.0   65,536  Microsoft.biztalk.httptransport.dll Note Because of file dependencies, the most recent hotfix that contains these files may also contain additional files.



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section. This problem was corrected in BizTalk Server 2004 Service Pack 1.



MORE INFORMATION
Warning If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.

Before you install this fix, you must install Q837441 on the BizTalk Server. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

837441 FIX: The BizTalk Server 2004 HTTP Adapter does not support setting HTTP headers on response from the server

After you install this fix, you must add the DisableChunkEncoding registry value to disable chunked encoding for outbound requests and responses to inbound requests. The registry value is a DWORD type. To disable chunked encoding, set the registry value to 1. By default, the registry value is 0.

For outbound requests, you must add this registry value under each registry key that matches this pattern:

For inbound requests, you must add this registry value under the following registry key:

Note If the  registry key does not exist, you must create the registry key in the specified location before you can add the DisableChunkEncoding registry value to the registry key.

