For OneDrive question, you’d better ask for help from OneDrive community.
https://techcommunity.microsoft.com/t5/onedrive-for-business/ct-p/OneDriveforBusiness
The reason why we recommend posting appropriately is you will get the most qualified pool of respondents, and other partners who read the forums regularly can either share their knowledge or learn.
On the other hand, if a user want to sync his profile, using OneDrive is not a general method, we usually use roaming profile and folder redirection. OneDrive always used for save user’s folders and personal data.
If this user account is a domain user and this device is a domain-joined PC, try to remove this account from DC and create a new domain account for this user, leave and re-join domain on the device, check for result.
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