Set IE option "Use HTTP/1.1 via proxy" by group policy

Posted on 2009-04-30
Medium Priority
Last Modified: 2013-12-08
I had an issue with IE failing in certain situations, esp. with the google maps API on our website. It turned out that this was caused by the javascript being sent gzip'ed by google, which IE would simply interprete without decompressing first. Finally it turned out that an option was needed in IE's Advanced settings: "Use HTTP/1.1 via proxy". (This was not set, only "Use HTTP/1.1" was set).

To make a long story short: How can I distribute the correct setting to all my PCs? I cannot find anything related in the usual group policy settings ...
Question by:thehagman

Accepted Solution

BillCarlin earned 2000 total points
ID: 24274958
You will need to make a custom template.  Take a look at this kb and related hotfix.  Just tweak it to your liking and you should be good to go with it.  At the bottom they give you an example template that has what you need.

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.
LVL 20

Author Closing Comment

ID: 31576464
I'll give it a try with the custom adm on Monday and hope that the "Applies to " section is correct (i.e. IE *7* is *not* affected), so that I at least don't need to deploy the hotfix.

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