C. To enable Device Registration Service On your federation server, open a Windows PowerShell command window and type:Enable-AdfsDeviceRegistration Repeat this step on each federation farm node in your AD FS farm. E. Enable seamless second factor authentication Seamless second factor authentication is an enhancement in AD FS that provides an added level of access protection to corporate resources and applications from external devices that are trying to access them. When a personal device is Workplace Joined, it becomes a `known' device and administrators can use this information to drive conditional access and gate access to resources. To enable seamless second factor authentication, persistent single sign-on (SSO) and conditional access for Workplace Joined devices. In the AD FS Management console, navigate to Authentication Policies. Select Edit Global Primary Authentication. Select the check box next to Enable Device Authentication, and then click OK. References:https://docs.microsoft.com/en-us/windows-server/identity/ad-fs/deployment/configure-a-federation-server-with-device-registration-service
C. To enable Device Registration Service
On your federation server, open a Windows PowerShell command window and type:
Enable-AdfsDeviceRegistration
Repeat this step on each federation farm node in your AD FS farm.
E. Enable seamless second factor authentication
Seamless second factor authentication is an enhancement in AD FS that provides an added level of access protection to corporate resources and applications from external devices that are trying to access them. When a personal device is Workplace Joined, it becomes a `known' device and administrators can use this information to drive conditional access and gate access to resources. To enable seamless second factor authentication, persistent single sign-on (SSO) and conditional access for Workplace Joined devices.
In the AD FS Management console, navigate to Authentication Policies. Select Edit Global Primary Authentication. Select the check box next to Enable Device Authentication, and then click OK.
References:
https://docs.microsoft.com/en-us/windows-server/identity/ad-fs/deployment/configure-a-federation-server-with-device-registration-service