Delete mobile device management (MDM) servers in Apple Business Manager
You can delete an MDM server and reassign or unassign devices that are currently assigned to it.
Delete mobile device management (MDM) servers
In Apple Business Manager , tap Settings at the bottom of the sidebar, select your MDM server under the MDM Server list, then tap Edit.
Tap Delete MDM Server, then tap OK.
Select the MDM server that the devices will be reassigned to.
Tap Reassign & Delete.
Important: If a server that has devices assigned to it goes offline instead of being deleted (for example, due to a network issue), devices associated with that server are managed with the last known configuration until they’re assigned to a new server, or erased and reactivated.