When attempting to perform a manual switch the following error is reported in the EmwMIgration.log
Error System.Exception: An Azure Active Directory call was made to keep object in sync between Azure Active Directory and Exchange Online. However, it failed. Detailed error message:
\tUnable to update the specified properties for on-premises mastered Directory Sync objects or objects currently undergoing migration.
The issue may be transient and please retry a couple of minutes later. If issue persists, please see exception members for more information.
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