Customer can migrate most of the users OneDrive apart from a few, below task events were reported:
OneDrive does not exist in the target and will be provisioned. Provisioning has been started. It might take up to several days.
The sign-in name or password does not match one in the Microsoft account system.
The Configure Connections page is correct and target OneDrive's were pre-provisioned outside of ODM.
ODM doesn't see the target OneDrive's and tried to provisioned them and hit the error.
Tried the below steps and worked: