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Manual: How to set up IE Mode (Internet Explorer Integration) in Edge C (Updated)

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Neon01
Occasional Contributor

So, since it took me almost a day to collect all necessary info and successfully set up IE Mode in Edge, I thought it may be helpful to post a step-by-step manual and some useful notes. 

 

Prerequisites: 

  • Microsoft Edge Dev v77.0.223 or higher
  • Windows 10, v1903 with KB4503293 or higher and KB4501375 or higher
  • Windows 10, v1809 with KB4509479 or higher

 

1. To activate IE Mode open Edge Dev and go to experimental features by typing edge://flags/ (Note: Edge Canary doesn't support IE Mode by now)

  • Under Enable IE Integration select IE mode (Note: don't choose "NeedIE" as it has no effect by now)
  • Optionally you can set Enable enhanced hang resistance for IE Integration to Enabled
  • Optionally you can set Enable IE window hang resistance for IE Integration to Enabled

 

2. If you don't have an Enterprise Mode site list download the Enterprise Mode Site List Manger v2 from https://www.microsoft.com/en-us/download/details.aspx?id=49974

(Note: the site list xml has to use the v2 scheme to work with Edge Chromium)

  • To create a site list open the Manager, click Add and type the domain that should use IE Mode (Note: just enter the plain domain, eg "test.contoso.com" without the leading http:// or https://)
  • Under Compat Mode select IE8 Enterprise Mode
  • Under Open in select IE11 to open the site in Edge with IE Mode (Note: options "None" or "MSEdge" will open the site without IE Mode)
  • Click File > Save to XML and publish the site list in IIS or for testing just use the xml as local file on your PC

 

3. Download the Edge Chromium group policy template files from https://www.microsoftedgeinsider.com/de-de/enterprise 

  • Open the .zip file and go to policy_templates > windows > admx
  • Copy msedge.admx to C:\Windows\PolicyDefinitions\
  • Copy all *.adml files from your language folder (eg. "en-US") to C:\Windows\PolicyDefinitions\<your language folder>\

 

4. Open the Local Group Policy Editor and edit the following entries in Computer Configuration > Administrative Templates: 

  • Enable Microsoft Edge > Configure Internet Explorer configuration and set it to Internet Explorer mode
  • Enable Windows Components > Internet Explorer > Use the Enterprise Mode IE website list and set the path to your XML-sitelist, either as URL (eg. https://test.contoso.com/list.xml) or as UNC if you're using a local XML file (eg. file:///C:\test\list.xml) 

 

Optional, but not needed for IE Mode: For compatibility, you can set the following, so Enterprise sites visited in Classic Edge will open in Internet Explorer.

  • Enable Windows Components > Microsoft Edge > Use the Enterprise Mode IE website list and set the path to your XML-sitelist, either as URL (eg. https://test.contoso.com/list.xml) or as UNC if you're using a local XML file (eg. file:///C:\test\list.xml)

 

The 3 policies above can be also set via registry: 

  • HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Edge >  
    InternetExplorerIntegrationLevel (REG_DWORD) with value 1 (or decimal: 0x00000001) 
  • HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Internet Explorer\Main\EnterpriseMode >  
    SiteList (REG_SZ) with path to your XML-sitelist (eg. https://test.contoso,com/list.xml)
  • HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\MicrosoftEdge\Main\EnterpriseMode >  
    SiteList (REG_SZ) with path to your XML-sitelist (eg. https://test.contoso,com/list.xml)

 

To check if Edge Dev is recognizing your sitelist correctly, type edge://compat in the address bar. This will show all entries from your XML-sitelist. 

 

Open your desired website and - voila, Edge IE Mode is running. 

Please get back to me if I missed something so I can update the manual. 

 

3 Replies

The only missed step would be a system restart/reboot after all the Registry changes are completed. At least that was what I needed to do before Edgeium took the changes.

 

Here is the Microsoft URL documenting the steps using IE Mode for Edge Enterprise.

@Neon01 

So to enable IE mode you need to configure group policies under Administrative Templates > Windows Components > Microsoft Edge > Use the Enterprise Mode IE website list > Configure Internet explorer Integration and under Administrative Templates > Windows Components > Microsoft Edge > Use the Enterprise Mode IE website list

 

Will the GPO for Edge chromium be split into these two location in the final release ?

Highlighted

@LMichel 

 

Hi LMichel, 

 

I'm pretty sure it will, because

  • "Configure Internet explorer Integration" policy in the Chromium GPOs only tells Edge Chrome to basically enable IE Mode
  • whereas the "Use the Enterprise Mode IE website list" policy in the Internet Explorer GPOs enables site lists for both, Edge and IE (which is afaik needed to launch IE Mode in Edge properly, because it uses the IE engine) 

But I'm not a developer, so please don't quote me on that. 

 

Btw., the "Use the Enterprise Mode IE website list" policy in the Classic Edge GPOs is not needed for IE Mode to work on Edge Chromium Dev and Beta. I just added it in the manual for compatibility issues, so that Enterprise sites visited in Edge Classic will open in IE (I've updated the manual to work this out).

 

Regards Niels

 

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