Microsoft Secondary Authentication Factor Configuration for Microsoft Microsoft Secondary Authentication Factor Microsoft Secondary Authentication Factor Allow companion device for secondary authentication 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. x

Windows NT KPTV 6.2 build 9200 (Windows Server 2012 Datacenter Edition) i586