Internet Explorer Proxy Settings Greyed Out

We are experiencing an issue where the proxy settings within internet explorer are being greyed out yet we cannot seem to figure out what is causing this to occur.

This issue is being experienced by a single individual, although other individuals in the same OU in active directory are able to modify the proxy settings.

Here are the steps that I have tried thus far:

  • Recreated the User on their laptop
  • Verified no Policies in the GPO were causing this specifically
  • Attempted to modify registry keys which was recommended by the link below, unfortunately neither registry key existed.


  • Logged this user into another laptop and verified that they are able to access these proxy settings.

Any steps in the right direction are appreciated.

Update: Going over group policy on this system, I am received an error stating "Internet Explorer Branding failed due to the error listed below. The specified procedure could not be found."

Could this be the cause of the issue?

Thank You,


3 Comments   [ + ] Show comments
  • if you create any other new users, can they change the proxy? - SMal.tmcc 8 years ago
  • Yes, logged in as myself I am able to edit these settings - darst16 8 years ago
  • sounds like you used the IEAK to create the IE install. check that users registry keys under [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings] and compare to one that works for the proxy keys - SMal.tmcc 8 years ago

Answers (1)

Posted by: Chris.Thomson@Sitel.Com 8 years ago
Yellow Belt

What David is looking for is not the specific proxy settings but the users ability to modify them.


The registry location for locking the settings should be in one of these:

    HKEY_CURRENT_USER\Software\Policies\Microsoft\Internet Explorer\Control Panel\

    HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Internet Explorer\Control Panel\

If the key, value or data don't exist, you can just create them.

Reference: http://www.tweaklibrary.com/Software_Applications/Internet-Explorer/27/Disable-changes-to-Internet-proxy-settings/10224/

The deployment of IE configured by IEAK has failed for some reason.

It's likely affecting any user that logs into that machine. Your account may have worked because you had a cached profile on the machine from before that copy of IE was installed.

You can remove that IEAK version of IE and re-deploy that IE build (or a vanilla copy of IE), or reimage the workstation.

Personally, I only deploy the vanilla IE and then use registry or GPO to add any needed control.

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