Configure the Enterprise Mode Site List

Policy ID: EnterpriseModeSiteList
Scope: Computer Configuration, User Configuration
Supported on: Microsoft Edge on Windows 10 or later
Source: Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category: Windows Components › Microsoft Edge

Description

This policy setting lets you configure whether to use Enterprise Mode and the Enterprise Mode Site List to address common compatibility problems with legacy apps.

If you enable this setting, Microsoft Edge looks for the Enterprise Mode Site List XML file. This file includes the sites and domains that need to be viewed using Internet Explorer 11 and Enterprise Mode.

If you disable or don't configure this setting, Microsoft Edge won't use the Enterprise Mode Site List XML file. In this case, employees might experience compatibility problems while using legacy apps.

Options

Type the location (URL) of your Enterprise Mode IE website list

Registry

ComputerHKEY_LOCAL_MACHINE

HKLM\Software\Policies\Microsoft\MicrosoftEdge\Main\EnterpriseMode View registry values

SiteListREG_SZ

UserHKEY_CURRENT_USER

HKCU\Software\Policies\Microsoft\MicrosoftEdge\Main\EnterpriseMode View registry values

SiteListREG_SZ

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