Forum Discussion
Multiforest migration to Office 365
Hi Community, One of our customer has the below environment: Goal: All below forests needs to be synchronized to a single office 365 tenancy ( which could be a brand new tenancy ) so the...
Hi Newlife,
Based on your scenario the advice is to migrate Forest B,C and D to Forest A using a third-party tool and then when you have all consolidated on the same active directory and hybrid implemented, you can migrate to online.
Or you can create all users on Forest A, synchronize them and use a third-party tool to migrate the data from Tenant to Tenant.
Read more here https://docs.microsoft.com/en-us/exchange/mailbox-migration/migrate-mailboxes-across-tenants
Best regards,
Nuno Árias Silva