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Migrate to Office 365

 

Applies to: Office 365 Enterprise

Topic Last Modified: 2015-01-21

The Migrate phase is primarily focused on the steps required to move user mailbox content from on-premises to Exchange Online.

The following are the key deployment tasks and events that you carry out in the Migrate phase:

  • Assign licenses to users

To access Office 365 service offerings, assign licenses to users through the Office 365 admin center. See Assign or unassign Office 365 licenses.

  • Issue final communications to end users

Prior to the start of velocity migrations, send all users the necessary notifications and instructions they need to make the transition to Office 365 service offerings.

  • Migrate mailbox data

Proceed with velocity mailbox migrations from on-premises mailboxes to Exchange Online using your selected migration tools and migration group schedule. See Move mailboxes to Office 365.

  • Migrate existing collaboration documents

Using third-party migration tools, move files and folders from your existing SharePoint environment to SharePoint Online. See Prepare to migrate to SharePoint Online.

  • Change DNS records

When all migrations are completed, change your DNS records (for example, MX and TXT records) to at your domain registrar. See Deploy hybrid Exchange Servers into a production environment in this section.

  • Configure mobile phones and devices for Office 365

See Set up a mobile device using Office 365 for business.

  • Perform post-migration service testing

After user provisioning and mailbox migrations are completed, you should perform comprehensive functionality testing of the Office 365 service offerings for which your organization has subscribed to ensure the services operate as described in the Office 365 for enterprises service descriptions.

 
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