Forum Discussion
Cutover Migration from Exchange 2016 to 365 - MigrationProvisioningPermanentException
We currently have several cutover migrations from Exchange 2016 to Exchange Online that result in the error message for all mailboxes: Error: MigrationProvisioningPermanentException: The operation c...
Quick update:
The issue persists with several cutover migrations from German-language Exchange 2016 installations. We have since learned that the error is not unique to us.
We would also like to point out that we and others have successfully completed numerous cutover migrations in the past.
The cutover migration was started and completed as described here:
https://learn.microsoft.com/en-us/exchange/mailbox-migration/cutover-migration-to-office-365
We are in contact with Microsoft Support.
The cause of the issue is still unknown.