This setting lets you decide whether your intranet sites should all open using Internet Explorer 11. This setting should only be used if there are known compatibility problems with Microsoft Edge. Turning this setting on automatically opens all intranet sites using Internet Explorer 11. Turning this setting off, or not configuring it, automatically opens all intranet sites using Microsoft Edge. Counter Measure: Configure this setting depending on your organizations requirements. Potential Impact: Users may experience compatibility issues opening web sites in Microsoft Edge. Fix: (1) GPO: Computer Configuration\Administrative Templates\Windows Components\Microsoft Edge\Send all intranet sites to Internet Explorer 11 (2) REG: HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\MicrosoftEdge\Main!SendIntranetTraffictoInternetExplorer