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365 Tenant To Tenant Migration
I have a tenant who is not set up to be GCC compliant. We have created another tenant that is now GCC compliant and need to move the tenants from the original tenant to the newly created GCC complian...
Unfortunately that document does not cover the steps or the details for this type of migration. It does cover tenant to tenant, but does not cover if the migration involves two tenants with the same domain name.
Hi Scott_McDonald90 ,
these are the seps: Cross-tenant mailbox migration - Microsoft 365 Enterprise | Microsoft Docs
If you have never done migration before, I would recommend that you consult with someone who has done it before. Someone in your area or as I mentioned before, you could do it with a third-party. This process could be complex, and it requires planing.
Here is the video on how it's done. This is just a small part but just to give you an idea: MigrationWiz for Office 365: Mailboxes - YouTube
Good luck!