FILE: C:\Windows\PolicyDefinitions\en-US\DeviceCredential.adml

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  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.
    
  


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