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.
