This policy allows users to use a companion device, such as a phone, fitness band, or IoT device, to sign on to a desktop computer running Windows 10. The companion device provides a second factor of authentication with Windows Hello.
If you enable or do not configure this policy setting, users can authenticate to Windows Hello using a companion device.
If you disable this policy, users cannot use a companion device to authenticate with Windows Hello.
Registry Hive | HKEY_LOCAL_MACHINE |
Registry Path | SOFTWARE\Policies\Microsoft\SecondaryAuthenticationFactor |
Value Name | AllowSecondaryAuthenticationDevice |
Value Type | REG_DWORD |
Enabled Value | 1 |
Disabled Value | 0 |