Businesses that rely on Microsoft 365 for managing their data and business activities often need to perform tenant to tenant migration at some point, especially during the time of mergers and procurements or rebranding and divestiture.
But, Microsoft 365 tenant to tenant migration is not that simple, as it seems from above. There is a lot of planning involved behind making the tenant to tenant migration successful. Also, it depends on the number of users you want to migrate. For instance, if you have more than 5000 users to relocate, then it is recommended to work with a professional Office 365 migration too
Tips for Successful Microsoft O365 Tenant to Tenant Migration
If you have planned the migration and analyzed all the pre-migration steps, then you can take advantage of the below tips to make your Microsoft tenant to tenant migration successful.
Analyze the entire data in both source and target tenant, including UPNs, email addresses, shared mailboxes, domains, SharePoint data, resource mailboxes, SharePoint data structure, OneDrive configuration, Power BI groups and reports, Azure security settings, etc.
Generate reports for both source and target tenant to verify whether there are any duplicate names or aliases exists in the accounts
Go through the security settings, admin roles, license policies, and permissions to analyze the differences between source and target tenant. If any changes are found, then discuss with the technical team about how the changes will impact the source data
Build an effective testing strategy, which includes testing the migration process with various users, groups, IT pilot users, etc.
Verify the types of accounts and objects that will be included in the directory sync/password sync/Azure AD Connect
Plan meticulously if the migration process seems too complicated
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