Article ID: 947513 - View products that this article applies to.
Important This article contains information about how to modify the registry. Make sure that you back up the registry before you modify it. Make sure that you know how to restore the registry if a problem occurs. For more information about how to back up, restore, and modify the registry, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/322756/ )How to back up and restore the registry in Windows
You install hotfix 904710 for Windows XP Service Pack 2 or Windows XP Service Pack 3. When you use Internet Explorer to connect to a Web site, the trace analysis of the connection may indicate that Internet Explorer is sending HTTP/1.0 GET requests instead of sending HTTP/1.1 GET requests.
This problem occurs even when you enable the Use HTTP 1.1 option and the Use HTTP 1.1 through proxy connections option in Internet Explorer.
For more information, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/904710/ )WinINet ignores the policies that you set when you create a custom administrative template file in Windows XP with Service Pack 2
This problem occurs because of a design change in how the Wininet.dll file reads the values of the Use HTTP 1.1 option and the Use HTTP 1.1 through proxy connections option as a policy. In this case, the Security_HKLM_Only registry entry is enabled. This design change does not consider the effect of the Security_HKLM_Only registry entry. When the Security_HKLM_Only registry entry is enabled, the default settings for the Use HTTP 1.1 option and for the Use HTTP 1.1 through proxy connections option are set to be disabled. By default, the EnableHttp1_1 registry entry and the ProxyHttp1.1 registry entry do not exist. Therefore, when the Wininet.dll file tries to read them in the registry, the values of these registry entries are determined to be turned off.
The Security_HKLM_Only registry entry is stored in the following registry subkey:
This behavior change started with the hotfix that is included in Microsoft Knowledge Base article 904710. The behavior was implemented in the following version of Wininet.dll:
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Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall the operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk.
To work around this problem, manually add the EnableHttp1_1 registry entry and the ProxyHttp1.1 registry entry to the
HKEY_LOCAL_MACHINEregistry subkey. To do this, follow these steps:
(http://go.microsoft.com/fwlink/?LinkId=151500)for other considerations.
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