Forum Discussion
M365 GCC High to M365 Commercial migration
I have seen several articles about tenant-to-tenant migrations including M365 commercial migrations to M365 GCC High but have not seen any that provide guidance about migrating from M365 GCC High bac...
Same question from a customer of mine, anyone with the experience?
Thank you for the question garyrhoward
Thank you for the question garyrhoward
We recently went through this with a small city client. We went back and forth with Microsoft support for months. (They are SO slow to respond). There is no supported migration to convert an existing tenant.
From what I was able to glean from Microsoft's replies, it sounds like the GCC low & GCC high tenants reside on different servers than commercial tenants. So, they can't just be changed to a different status.
In the end we created a new 365 commercial tenant and used a 3rd party migration tool (BitTitan) to move/copy the users Mailboxes & OneDrives over to the new tenant.