The next step of the configuration is to enable AD FS farm to use Azure MFA. This can be done using this:

Set-AdfsAzureMfaTenant -TenantId 05c6f80c-61d9-44df-bd2d-4414a983c1d4 -ClientId 981f26a1-7f43-403b-a875-f8b09b8cd720 

In the preceding command, TenantId refers to the Azure Tenant ID. ClientId represents the Azure Multi-Factor Auth Client GUID.

Once the command successfully runs, we need to restart the AD FS service in each server in the farm: