Read time 6 min
Today the number of organizations moving to Office 365 is much higher than ever before. The Exchange Online in Office 365 removes the need for investment in infrastructure for Exchange Server. It also avoids the need for an on-site Exchange Administrator and further costs associated with it.
But, if you ask anyone who has migrated data from Exchange Server to Office 365, then you would get the answer that it is not an easy task. Even the cutover migration, which is considered a more straightforward migration method, involves lots of steps. It takes lots of preparation and planning to complete the migration. Also, the migration process may go wrong, and you may lose your data.
Luckily, there are some crucial points regarding on-premises Exchange to Office 365 migration, which you can consider before actually going for it.
The migration method you choose to go to Office 365 is highly dependent on the Exchange Server version that you are using. The cutover migration can be used for migrations from Exchange Server 2003 and the latest ones. But the number of mailboxes should be lesser than 2000.
If the number of mailboxes is more than in 2000, you can try Staged migration for Exchange Server 2003 and 2007. And for Exchange 2010 and higher versions, you can use a hybrid configuration for the migration, especially when you want to maintain Exchange on both on-premises and cloud.
The migration requires a healthy Exchange Server environment, and you also need to have a proper Exchange Server deployment. That’s why before starting the migration, you should check your Exchange Server configuration with the help of Office 365 Health, Readiness and Connectivity tool. The tool is available in Office 365 and you can either run a quick check or a more in-depth assessment of your Exchange Server health.
Many organizations wish that the users continue to access the Exchange Server while the migration is running. You can choose to use the Outlook WebApp while the migration is running. Office 365 does not support the older versions like Outlook 2003, so you should update the Outlook to newer versions.
When you have configured everything correctly and are ready for the migration, then to be on a safe side, you can run a test migration of a smaller batch.
There are many useful tools within Microsoft, which can prove quite handy in the migration process. As mentioned earlier, Office 365 Health, Readiness, and Connectivity Checks tool examines the Exchange Server readiness for the migration. There is another Microsoft Exchange Server Deployment Assistant which asks you question related to the migration and makes a proper plan for you.
But there are many professional tools which can handle the whole migration process and save the time and energy you lose in the manual processes. When you use a professional tool, then the Exchange Server remain accessible to the user, and there are lesser chances of any error or data loss. Kernel Office 365 Migration Tool is a unique Office 365 migration tool which you can utilize for the Exchange to Office 365 migration.
To migrate to Office 365, do not remain dependent on the manual migration methods which are too complex and time-consuming. Just use Office 365 migration tool and be in full control of the migration process.