Configure Cutover Migration to Office 3651. Open Internet Explorer.2. Login to the Office 365 Admin Center.3. Open Exchange Admin Center.

4. Click Migration.

5. Click the + drop down menu and select Migrate to Exchange Online.

6. Select Cutover migration (supported by Exchange Server 2003 and later versions).

7. Click Next.8. Enter on-premises account credentials (this is the same account that you gave full acccess permissions to on all the mailboxes).9. Click Next.

When configured properly, Autodiscover should resovle the on-premise Exchange Server and the RPC Proxy Server10. Click Next.

11. Enter a name for the New Migration Batch.12. Click Next.

13. Select a user to get a report once the migration is completed. Multiple accounts can be selected. If you are ready to start the migration, then automatically start the batch. If you are not ready to start the migration, then select manually start the batch later.14. Click New.

15. The new migration batch is created and the status is set to syncing.

16. Depending on the number of accounts and the amount of data, this can take some time to migrate.Migration details can be viewed by clicking View Details under the Mailbox Status providing sight to the accounts being provisioned in Office 365 as well as the startof the sync from Exchange 2007 to Office 365.Step 4: Completion of the MigrationWhen all the accounts are provisioned and the sync from Exchange 2007 to Office 365 is completed, you will get a report emailed to you. Once you get the report, you can complete the migration process.1. Migrate Public Folders Microsoft has released a whitepaper for the companies that have public folders to migrate to Office 365. Migrating from Exchange Public Folders to Microsoft Office 365.2. Assign Office 365 licenses to all the users. Details can be found here.3. Verify that all the DNS records are updated and pointed towards Office 365 services. Details can be found here.Note: Once you change the MX record to point at Office 365, there is some DNS replication time. During this time, email will be delivered to either Exchange 2007 or Office 365. Its important to keep your migration batch job running for up to 72 hours after switching the MX record.4. Configure the desktops to use Office 365 services. Details can be found here.5. Once you are comfortable that all the email is migrated to Office 365 and the MX record DNS replication is completed, you can stop the migration batch job.At this point the migration is complete and the Exchange 2007 server can be retired.