It sounds like you're experiencing significant issues with your device related to a cloud identity that is causing management provisioning loops. Since you've already tried clean installs and registry edits without success, here are a few suggestions that might help you troubleshoot further:
- Check Device Management Settings: Even if you haven't enrolled in Intune or any MDM, ensure that your device is not inadvertently linked to any management service. You can check this in the Settings under Accounts > Access work or school.
- Use the DSRegCmd Tool: Run the command
dsregcmd /statusin an elevated Command Prompt to check the current state of your device's registration with Azure AD. This can provide insights into whether your device is incorrectly registered. - Manual Recovery: If your device is hybrid joined, you might need to perform a manual recovery. You can do this by running
dsregcmd /leavein an elevated Command Prompt, followed by a restart of your device. - Contact Microsoft Support Again: Since you've already contacted support multiple times, consider escalating the issue or asking for a specialist who deals with Azure AD and device identity issues specifically.
- Community Forums: Sometimes, other users may have experienced similar issues. Checking Microsoft community forums or tech support forums might provide additional insights or solutions that have worked for others.
If these steps do not resolve the issue, you may need to continue working with Microsoft support to address the backend cloud identity problem directly.
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