Hi @Victor Oghifobibi ，
According to your description, the issue occurs when you run the migration batch.
The official documentation Verify that the migration worked mentions that if this task fails, check the associated Mailbox status reports for specific errors, and double-check that your migration file has the correct Microsoft 365 or Office 365 email address in the EmailAddress column.
“Error: MigrationProvisioningPermanentException: Value cannot be null. Parameter name: Atleast one of required user ids oid, smtp, puid, upn, cid, need to be set.”_
In addition, according to the error message, there may be a problem with the user that needs to be migrated, and we recommend that you check whether the user attributes are normal.
Finally, you can try to recreate and submit the migration batch.
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