Is there anyone who has the similar situation and migrated the mail with cutover sucessfully? It's obvious that if you can't create the migration endpoints then you can't perform a cutover migration. Furthermore, how could anyone have been successful if they weren't able to create the migration endpoints? If you can't create migration endpoints then ...


After some considerable back-and-forth with Microsoft support, the issue is that for Exchange Online the group you're using for your scope needs to be specified by distinguished name. e.g. $DG= Get-DynamicDistributionList - identity "Rob test". New-ManagementScope "Rob Scope" -RecipientRestrictionFilter "MemberOfGroup -eq '$($DG.DistinguishedName)'"

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