Exchange 2010 Support to End – Time to migrate to Office 365/Exchange 2016

Microsoft usually stops support for its products after they complete a decade after their release. It then focusses on the newer versions of such products. Here is a brief history of Exchange Server releases and end of support dates:

Table 1.
Life Cycle History of Exchange Server

The life cycle of Exchange Server 2010 shows that its extended support will end on January 14, 2020. After the date, there won’t be technical support or updates for this version.

What does the end of Exchange 2010 support mean?

After January 14, 2020, the Exchange 2010 users may continue to work on it, but there won’t by any support from Microsoft. It means if there is any technical errors or bugs, then you will be on your own. That is why it is better to upgrade Exchange 2010 to either 2013,2016 or Office 365. There are multiple methods to accomplish the migration depending on the size of the Exchange environment and number of mailboxes.

Migrate Exchange 2010 to Office 365

If you want to follow the recent trend of migrating on-site resources to a cloud platform, then Office 365 is the best option for you. You can try different types of migrations depending on the number of mailboxes –

• Cutover (Express) migration
• Staged migration
• Hybrid migration

Cutover (express) migration

Cutover migration is useful when there are lesser than 2000 mailboxes in Exchange. Here are the main steps of cutover migration which you need to follow to migrate Exchange mailboxes to Office 365 –

1. Inform the Exchange users about the proposed migration.
2. Complete all the prerequisites on the server.
3. Verify your Office 365 domain.
4. Create an empty security group (mail-enabled) in Office 365.
5. Create migration endpoints.
6. Migrate batches of Exchange mailboxes to Office 365.
7. Verify the migration and delete the migration batch.
8. Finish the post-migration tasks and inform users of new credentials.

Staged Migration

Staged migration only works for Exchange 2003 and 2007 and is recommended when the number of mailboxes is more than 2000. Here are the important steps –

1. Synchronize user lists in Exchange and Office 365.
2. Create a CSV file which lists the credentials of mailboxes you want to migrate.
3. Run a staged migration to migrate emails, contacts, and calendars.
4. Send the migration reports and complete post-migration tasks.

Hybrid migration

Hybrid migration is performed when you have an Exchange/Office 365 Hybrid configuration. In this case, migration can be done form EAC. And it works in following conditions –

• You are using Exchange 2010, 2013, or 2016.
• You want to migrate quickly.

Migrate from Exchange 2010 to Exchange 2013

Migrating Exchange 2010 to Exchange 2013 is not that popular as Exchange 2010 to Exchange 2016 migration. Here is a brief procedure for updating Exchange 2010 to 2013 –

1. Complete the prerequisites.
2. Configuring Offline Address book.
3. Install Exchange server 2013.
4. Add the digital certificates and configure virtual directories.
5. Move the Exchange 2010 mailboxes to Exchange 2013.
6. Enable Outlook Anywhere.
7. Migrate public folder data from exchange 2010 to 2013.
8. Complete the post-migration tasks.

Migrate Exchange 2010 to Exchange 2016

Migration of Exchange 2010 to Exchange 2016 follows the same procedure of migration with the help of following steps –

1. Complete the prerequisites of Exchange server.
2. Prepare Active Directory.
3. Install Exchange Server 2016.
4. Configure Exchange services.
5. Migrate the mailboxes and public folders.
6. Complete the post-migration tasks.

All the above-given methods are used in different situations, and an Exchange administrator can choose the desired method as per his situation. But these methods involve many complex steps and so completing the migration will require a lot of time and resources. So, it is better to take the assistance of a professional tool like Kernel Migrator for Exchange which removes all complexities and performs direct migration. You can migrate your Exchange (on-premises) data to Exchange/Office 365 or vice-e-versa using this Exchange migration tool.

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