Jul 18 2017 03:00 PM
Jul 19 2017 04:15 AM
Are these devices supervised too?
if so done through configurator or DEP?
Jul 19 2017 06:36 AM
Yes, they are supervised and done via Apple Configurator.
Jul 21 2017 07:24 PM
You stated "username."
Are you using your email address or technically the UPN?
Also, if MFA is enabled, test it with it disabled.