I'm just baffled as to why deleting a machine from network in device list does NOT do that. I would have expected that that action along with an erase and install would render the machine as a new client. If Meraki can send an email stating that DEP setting have changed for a particular serial number then surely it should be able to purge this info from SM so that re-enrollment should be as advertised. As per article ID: 1267 Removing Settings from Devices In the event a device needs to be reset and managed under different conditions, the settings applied via DEP can be removed. Navigate to Systems Manager > Manage > DEP. Click the checkbox next to the device(s) in question. Click Remove settings. and voila nothing... ... View more