Cutover Migration for Exchange 2010 to Office 365

Prior to Exchange 2010, there were no methods to build a Hybrid environment with Office 365. Hence, Exchange 2010 is one of the most successful source servers. For companies that have updated versions of the server, it would not be ideal to leave the cloud environment shortly after deploying a new Exchange release and when there is the availability of support. Ultimately, there are a few extra steps you need to understand when you carry out Exchange 2010 Migration.

There are 3 traditional methods you can use to get your company from Exchange 2010 to Office 365:

1. Cutover migration: which is the most direct option. It includes cut-pasting mailboxes from the source server to the desired environment.

2. Hybrid migration: which allows coexistence Exchange 2010 and Office 365.

3. PST import: the manual method.

Let us learn more about Cutover Migration for Exchange 2010 to Office 365

Initially, you require some preparation for your current environment. This may take lesser time compared to the migration process, but it still needs a lot of attention. Following is a list of processes for cutover migration:

Update the Exchange 2010 server to SP3.

It might not be a compulsion but, it is highly recommended. Prior to performing the cutover migration process, directory synchronization and unified messaging should be disabled.

Activate and configure Outlook.

In the current Exchange Server version, this is done automatically. In Exchange 2010, you need to perform this action manually. To properly configure Outlook, you should install a trusted SSL certificate and the RPC across the HTTP element on your server.

Assign authorization.

There is specific authorization you must assign to the account you use for migration. It is recommended to use a dedicated user account in this process. Additionally, the target Office 365 environment needs a View-Only Recipients role and User management administrator if it can also, re-creating users in Exchange Online.

Make a security group that is mail-enabled in Office 365.

Or else, the migration service cannot supply any migrated groups as security groups in Office 365. You can also try a Virtual Desktop Cloud to improve your performance.

Domain verification in Office 365. It needs you to add a TXT record in the DNS.

Utilize Exchange Admin Center to build a migration endpoint.

The endpoint includes all the data required to link your Exchange 2010 server to Office 365.

Create and start the cutover migration batch.

The batch includes all mailboxes and needs the migration endpoint configured in advance. This is the moment the actual migration starts. After the data migration is done, you need to assign licenses to the users and verify all the components.

The whole process of migration needs plenty of time and effort. It may also involve a few steps which have not been listed.

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