Enable Google Cast
Supported on: Microsoft Edge version 77, Windows 7 or later
Registry
HKLM
Software\Policies\Microsoft\Edge HKCU
Software\Policies\Microsoft\Edge Value name: EnableMediaRouter
Enabled: EnableMediaRouter = 1
Disabled: EnableMediaRouter = 0
Description
Enable this policy to enable Google Cast. Users can launch it from the app menu, page context menus, media controls on Cast-enabled websites, and (if shown) the Cast toolbar icon. Disable this policy to disable Google Cast. By default, Google Cast is enabled.