@James Edmonds Thanks for posting in our Q&A.
From your description, I know that we are working on cleaning and resetting some autopilot devices. If there is any misunderstanding, please feel free to let us know. As far as i know, you can manage devices for your organization and apply an Autopilot deployment profile to your devices.
Fore more information about Windows AutoPilot, in combination with Microsoft Intune and the different configuration options, please refer to:
Overview of Windows AutoPilot: https://learn.microsoft.com/en-us/windows/deployment/windows-autopilot/windows-10-autopilot
Manage Windows device deployment with Windows AutoPilot Deployment: https://learn.microsoft.com/en-us/microsoft-store/add-profile-to-devices
Delete an Azure AD device: https://learn.microsoft.com/en-us/azure/active-directory/devices/device-management-azure-portal#delete-an-azure-ad-device
Windows Autopilot Reset: https://learn.microsoft.com/en-us/mem/autopilot/windows-autopilot-reset
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