Summary: In this guide, we discussed methods to migrate Exchange Server 2007 (On-Premises) to Office 365. This guide contains critical steps to plan, prepare, and migrate Exchange 2007 to Office 365. However, if this is your first Exchange to Office 365 migration, you can use Stellar Converter for EDB to quickly migrate mailboxes from Exchange 2007 to Office 365 and avoid extended downtimes.
Many organizations, using older Exchange versions such as the Exchange 2007, are moving to cloud-based email solutions, such as Office 365 as it offers flexibility and better data security. However, Exchange 2007 to Office 365 migration is not an easy task as it requires extensive planning and preparation.
To ease the Exchange 2007 to Office 365 migration process, in this article, we’ll be highlighting one of the simplest ways to migrate all existing and deleted Exchange mailboxes from Exchange 2007 to Office 365. But before we go to that, let’s have a quick look at different ways to migrate Exchange to Office 365.
There are 3 ways to migrate Exchange 2007 to Office 365,
When you migrate the contents of user mailboxes from Exchange 2007 to Office 365 as a part of Office 365 deployment at one time, it is referred to as Cutover Migration. It is one of the most advisable methods for Exchange 2007 to Office 365 migration. However, you should use this method if the number of mailboxes is less than 2000.
When you migrate user mailboxes from Exchange to Office 365 as a part of Office 365 deployment over time, it is referred to as Staged Migration. Staged Migration is used to move mailboxes in batch and advisable if the total number of mailboxes to be moved from Exchange 2007 to Office 365 is more than 2000.
If your Exchange server supports Internet Message Access Protocol (IMAP), you can use this technique to complete the migration too. However, with this method, you’ll only be able to move the items in the user’s email folders. Contacts, calendar items, and tasks can't be migrated with IMAP. This method also doesn't create mailboxes in Office 365. You'll have to create the mailbox for each user before migrating their emails.
NOTE: Hybrid Migration is not available for Exchange 2007.
Now that you’re clear on the options available for Exchange 2007 to Office 365, let’s see which of them suits your purpose best and how.
Useful Tip: Plan your migration with Exchange Server Deployment Assistant Tool.
Particularly, you need a migration technique that’s capable of working with Exchange 2007. Since the Hybrid Migration technique is not available for Exchange 2007 and IMAP method has several limitations, you are left with the Cutover and the Staged Migration techniques to migrate Exchange 2007 to Office 365.
Based on the number of user mailboxes in Exchange 2007, you can choose whether you want to follow the Cutover Migration or Staged Migration.
Below, we’ve discussed the steps to perform Cutover Migration from Exchange 2007 to Office 365.
Following are the steps to move Exchange 2007 to Office 365 by using the Cutover Migration technique.
Before moving Exchange 2007 to Office 365, you need careful planning. Consider the following points before you begin the migration,
For this process to work, the Exchange 2007 infrastructure should support Outlook Anywhere (RPC over HTTP) and Autodiscover. Verify it by using the guide from Exchange Deployment Assistant. Then use the MS Remote Connectivity Analyzer (RCA) to verify Outlook Anywhere (RPC over HTTP). Assign all required permissions to the mailboxes that are to be migrated by following these steps (missing these step will cause the migration to fail),
If the process fails or gives warnings, refer the guide and correct any mistakes before attempting again. If the test is successful, continue to the next step.
For this, follow the given steps:
This will take a while to complete based on the number of accounts and the amount of data. You can view Migration details by clicking View Details under the Mailbox Status.
After the sync is complete from Exchange 2007 to Office 365, a report is emailed to complete the migration process. Once done, perform the following tasks,
At this point, you can decommission the Exchange 2007 server.
Though the above process seems simple, it might be a tedious job for beginners. You may also receive errors and require to fix them. Plus, there may be a risk of losing some data during the manual Cutover Migration process. To avoid all hassles and make the Exchange 2007 to Office 365 migration process easier, export the mailboxes from Exchange 2007 database file(s) (EDB) to Office 365 directly with the help of Stellar Converter for EDB.
Here are the steps to migrate mailboxes from Exchange 2007 to Office 365,
Step 1: Install and launch Stellar Converter for EDB software
Step 2: Click on Offline EDB
Step 3: Click ‘Browse’ to select the Exchange 2007 database and then click ‘Next’
Step 4: Click ‘Save’ and then choose Export to Office 365 Option
Step 5: Enter Office 365 Credentials and click OK
Step 6: Mailboxes save to Office 365 Account
Step 7: This lists the mapped and unmapped source EDB mailboxes. To manually map the mailbox or change the mapped mailbox, click on Map Mailbox
Step 8: The screen displays all the Office 365 mailbox IDs that can be mapped. Once done, click ‘OK’ to start exporting
Note: You need to have a Microsoft Office 365 user account for exporting data to Office 365 and Office 2013 or Office 2010 with Service Pack 2 installed on the system.
Moreover, you can also convert the Exchange 2007 database file (EDB) into PST format by using the software and then import it into Office 365.
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