Similar issue! Under new lockdown circumstances, we now got some iPads
we loan out for home tuition (they come back, they get reallocated, etc.
- so they are not single-user devices). Restrictions set so that apps
cannot be installed or removed, howe...
Possibly try to start complete enrollment process all over again? On
iPad go Settings - general - reset - Erase all content and settings
(hopefully this option will still be available; which it wouldn't be if
it had enrolled properly!)