Forum Discussion
Internet Explorer Mode Flip-Flops Between On and Off
Not sure if this will help anyone, but one of the other things I discovered after much frustration was that if you add an enterprise site list or make any changes to it, Edge will take approximately 1-1.5 minutes to load the new list the next time it starts up.
You'll see an EmieSitelist.xml file pop into %localappdata%\Microsoft\Edge[version]\User Data when it's loaded. Prepopulating this file unfortunately does not change this behavior.
To clarify as well, I noticed that even if I specify a sites list in Edge at HKLM\SOFTWARE\Policies\Microsoft\Edge, IE mode will not work properly unless the Enterprise Mode Sites List is configured for Internet Explorer at HKLM\SOFTWARE\Policies\Microsoft\Internet Explorer\Main\EnterpriseMode).
Interestingly, if you configure the sites list in Edge and then remove the list from your IE Enterprise Mode key or delete the key entirely, it will continue to work on that machine. It just won't work if you start with just the Edge key on a new machine.
Haven't tried this in group policy yet but I expect it would work the same.
MicrosoftAndrewSAIF You can go to edge://compat/enterprise and click on the "Force Update" button to have site list XML changes reflected instantly.
AndrewSAIF GreatToHearFromYou Setting up a site list for Internet Explorer should not be required if you have enabled IE mode and are using this Edge policy - https://docs.microsoft.com/en-us/deployedge/microsoft-edge-policies#internetexplorerintegrationsitelist.
When the Edge site list policy is enabled, it takes precedence over the IE site list.
Please let us know if you're still experiencing issues.
Another confirmation of this flip-flop behavior and fix using the "Use the Enterprise Mode IE website list" GPO policy.
In my case, I needed to:
- set the mentioned "Use the Enterprise Mode IE website list" GPO policy (I used the same file as for "Configure the Enterprise Mode Site List"; I didn't try removing the latter policy, both are set)
- restart the browser (only for stopping the flip-flop behavior, removing configuration for the "Use the Enterprise Mode IE website list" policy immediately restarts the behavior)
Thank you to AndrewSAIF and GreatToHearFromYou for the instructions!
To everyone in this discussion:
Unfortunately we have encountered another roadblock; As of Edge Dev Version 80.0.361.9 Internet Explorer Mode is not working natively in Edge anymore (it broke across all Edge versions; Canary/Dev/Beta/Stable) and instead opens the link in a new separate Internet Explorer Window and showing a message in Edge stating "To open this page in Internet Explorer mode, reinstall Microsoft Edge with administrator privileges"
If anyone is experiencing this same problem, or has experienced the problem but found a solution, please feel free to join the discussion here: https://techcommunity.microsoft.com/t5/enterprise/internet-explorer-mode-broken-in-edge-dev-version-80-0-361-9/m-p/1087507
