@Robert Sudbury , In fact, this is a normal behavior that the enrolled device will not show under Autopilot device. For the Autopilot Device, it is one process of the Windows Autopilot registration. In General, the hardware hash captured from existing devices can be uploaded in the following ways:
- Microsoft Intune.
- Partner Center.
- Microsoft 365 Business & Office 365 Admin.
- Microsoft Store for Business.
Registration can also be performed within your organization by collecting the hardware identity from new or existing devices and uploading it manually. If devices meet certain requirements, they can also be configured for automatic registration with Windows Autopilot. We can see more details in the following link:
For the error with the DEM account, it seems the issue is with permission. In the official article, it mentioned that the Autopilot device management requires that you enable all permissions under Enrollment programs, Here is the link for the reference:
Please grant the permission and see if it works. Hope it can help.
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