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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.
This problem occurs because WinINet ignores the Policies registry key settings under the following registry subkeys:
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.
There are no prerequisites for installing this hotfix.
You must restart the computer after you apply this hotfix.
Hotfix replacement information
This hotfix does not replace a previously released hotfix.
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 03:35 188.8.131.52 371,936 Updspapi.dll
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
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:
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:
CLASS MACHINE CATEGORY !!WindowsComponents CATEGORY !!InternetExplorer CATEGORY !!ProxySettings POLICY "Use HTTP 1.1" KEYNAME "Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings" VALUENAME EnableHttp1_1 VALUEON NUMERIC 1 VALUEOFF NUMERIC 0 END POLICY POLICY "Use HTTP 1.1 Through Proxy Connections" KEYNAME "Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings" VALUENAME ProxyHttp1.1 VALUEON NUMERIC 1 VALUEOFF NUMERIC 0 END POLICY END CATEGORY END CATEGORY END CATEGORY [strings] AdministrativeTemplates="Administrative Templates" WindowsComponents="Windows Components" ProxySettings="Proxy Settings" InternetExplorer="Internet Explorer"