When you create a custom administrative template file to customize Microsoft Win32 Internet (WinINet) settings on a Microsoft Windows XP Service Pack 2 (SP2)-based computer, WinINet ignores the policies that you set.

For example, when you define a Group Policy object (GPO) to enable the Use HTTP 1.1 through proxy connections setting, the policy is applied, and the setting is enabled. However, WinINet ignores the policy and continues to use HTTP 1.0 for proxy connections.

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This problem occurs because WinINet ignores the Policies registry key settings under the following registry subkeys:

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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: 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

There are no prerequisites for installing this hotfix.

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

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.

   Date         Time   Version           Size     File name
   -------------------------------------------------------------
   21-Jul-2005  21:15  6.0.2900.2723     660,480  Wininet.dll      
   21-Jul-2005  00:18  5.1.2600.2723      30,720  Arpidfix.exe
   25-Feb-2005  03:35  6.1.22.4          371,936  Updspapi.dll

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Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

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The Use HTTP 1.1 through proxy connections setting is turned on when Group Policy sets the ProxyHttp1.1 registry entry to 1 under the following registry subkey: To locate the Use HTTP 1.1 through proxy connections setting, follow these steps:

1.	Start Microsoft Internet Explorer.
2.	On the Tools menu, click Internet Options.
3.	Click the Advanced tab.
4.	In the Settings box, locate HTTP 1.1 settings.

For more information, click the following article number to view the article in the Microsoft Knowledge Base: When the Security_HKLM_Only registry key is enabled after you apply this hotfix, the location where the following two settings are reflected and saved changes:

•	EnableHTTP1.1 (Tools- Internet Options - Advanced tab – Use HTTP 1.1)
•	ProxyHttp1.1 (Tools- Internet Options - Advanced tab – Use HTTP 1.1 through proxy connections)

The following location is where the change is reflected and saved:

•	The location of the registry that the module that does not contain the fixes of 904710 refers: HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings
•	The location of the registry that the module that contains the fixes of 904710 refers: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings

If two options are changed from the setting of the default values like this, you have to change the registry setting. You can use the following ADM template example to push out the registry keys by using Group Policy:

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