@yiv xiao Thanks for posting in our Q&A.
For this issue. we appreciate your help to refer to the following link to check if there is any policy breaking the enrollment.
https://call4cloud.nl/the-0x800705b4-error-in-our-stars/
Note: Non-Microsoft link, just for the reference.
Go to regedit and deleted the key that showed failed in the AutopilotSettings (devicepreperation and devicesetup) and restarted the device. Then re- enroll this device and check if it works.
If there is anything update, feel free to let us know.
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