I've spent the morning testing with this Created a ADE profile with a 5GB NO Authentication Wiped device Ensured I had a bunch of users in school.apple.com Used my existing Education profile, which includes a device group to aid logging in: Synced Users from Systems Manager > Overview∫ Synced Users from the top of the Education profile above Wiped device and enrolled Got to logging in, which I did with three users No issues. I'd look at your quote size. This is in MB, not GB, so my 5000 above is just shy of 5GB I hope that helps
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