In your DEP profile, you have enabled user authentication (used for
1-on-1 deployment models). If this is the goal (to personalise devices),
In the beginning of ...
Can confirm @sshort. Manual DEP enrollment requires the iPad to be on
iOS11 at least. However, I'd like to add something as well. If you
purchased your devices from a "DEP-certified" reseller, they can and are
allowed to "DEPify" your older purchases...