Enables cast

If this is set to true or is not set, users will be able to cast tabs, sites or the desktop from the browser. If set to false, this option will be disabled.

Supported on: Microsoft Windows XP SP2 or later
Registry HiveHKEY_LOCAL_MACHINE or HKEY_CURRENT_USER
Registry PathSoftware\Policies\Google\Chrome
Value NameEnableMediaRouter
Value TypeREG_DWORD
Enabled Value1
Disabled Value0

chrome.admx

Administrative Templates (Computers)

Administrative Templates (Users)