Control use of the WebUSB API

Setting the policy to 3 lets websites ask for access to connected USB devices. Setting the policy to 2 denies access to connected USB devices.

Leaving it unset lets websites ask for access, but users can change this setting.

Supported on: At least Microsoft Windows 7 or Windows Server 2008 family

Control use of the WebUSB API


  1. Do not allow any site to request access to USB devices via the WebUSB API
    Registry HiveHKEY_CURRENT_USER
    Registry PathSoftware\Policies\Google\ChromeOS
    Value NameDefaultWebUsbGuardSetting
    Value TypeREG_DWORD
    Value2
  2. Allow sites to ask the user to grant access to a connected USB device
    Registry HiveHKEY_CURRENT_USER
    Registry PathSoftware\Policies\Google\ChromeOS
    Value NameDefaultWebUsbGuardSetting
    Value TypeREG_DWORD
    Value3


chromeos.admx

Administrative Templates (Computers)

Administrative Templates (Users)