Policy
Show message when opening sites in Internet Explorer
You can configure Microsoft Edge to open a site automatically in Internet Explorer 11 and choose to display a notification before the site opens. If you want to display a notification, you must enable Configure the Enterprise Mode Site List or Send all intranets sites to Internet Explorer 11 or both. If enabled, the notification appears on a new page. If you want users to continue in Microsoft Edge, select the Show Keep going in Microsoft Edge option from the drop-down list under Options. If disabled or not configured, the default app behavior occurs and no additional page displays. Default setting: Disabled or not configured Related policies: -Configure the Enterprise Mode Site List -Send all intranet sites to Internet Explorer 11
c130cd665cd1 ShowMessageWhenOpeningSitesInInternetExplorer Registry
Copy registry mappings
HKLM\Software\Policies\Microsoft\MicrosoftEdge\Main\ShowMessageWhenOpeningSitesInInternetExplorerHKCU\Software\Policies\Microsoft\MicrosoftEdge\Main\ShowMessageWhenOpeningSitesInInternetExplorerPolicy notes
You can configure Microsoft Edge to open a site automatically in Internet Explorer 11 and choose to display a notification before the site opens. If you want to display a notification, you must enable Configure the Enterprise Mode Site List or Send all intranets sites to Internet Explorer 11 or both. If enabled, the notification appears on a new page. If you want users to continue in Microsoft Edge, select the Show Keep going in Microsoft Edge option from the drop-down list under Options. If disabled or not configured, the default app behavior occurs and no additional page displays. Default setting: Disabled or not configured Related policies: -Configure the Enterprise Mode Site List -Send all intranet sites to Internet Explorer 11