Håvard Siegel Haukeberg

If you have enabled Self Service Password reset, all users should be prompted to enroll on login. You could also proactively redirect users to https://passwordreset.microsoftonline.com/ or http://aka.ms/ssprsetup

Look at this blogpost for that user experience: Self Service Password Reset User Registration (Same as for MFA registration).

Here is how you get the report for users who signed up for Self Service Password Reset