M365 Tenant To Tenant
There are several architecture approaches for mergers, acquisitions, divestitures, and other scenarios that might lead you to migrate an existing Microsoft 365 tenant to a new tenant. Most customers work with Microsoft Consulting Services or a Microsoft partner to migrate tenants, including using third-party tools to migrate content.
Use the Tenant-to-tenant migration architecture model to understand how to plan for Microsoft 365 tenant-to-tenant migrations and the steps of a migration.
This model provides guidance and a starting-point for planning with sections on:
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Mapping of business scenarios to architecture approaches
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Design considerations
This model also contains detailed examples of:
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A single event migration flow
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A phased migration flow
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A tenant move or split flow
