I've only ever seen that on devices that were previously enrolled in
Jamf or we leveraged migration assistant from an old Jamf-managed Mac to
a new one, or in rare cases, the time/date were on the Mac. Anything
common there? Also, I've be recommended...
Check in ABM to confirm that the added devices were assigned to the MDM
server - I've found that when I add devices via Configurator, they don't
follow the default MDM assignments. business.apple.com > Devices >
Locate Device > Edit MDM Server (along...