Exchange to Office 365 migration

This video will cover a complete step by step guide and tutorial showing a Exchange to Office 365 migration (on-premise) to Office 365 and Exchange online using the hybrid migration wizard.

Hybrid migration can be great for organizations that want to have some mailboxes on premises and some in the cloud, with the freedom to move mailboxes back and forth as required, with a option of a full migration of mailboxes to office 365 as the end goal. This offers a low risk and a planned approach which is seamless to end users.

Hybrid configurations are available for Exchange organizations that contain at least one Exchange 2010 SP3 or later server. In this scenario we are running two Exchange servers, one 2013 and the other 2016 with our domain We will install the hybrid connector on Exchange 2016 server.

As a prerequisite, Hybrid configurations require directory synchronization, syncing on premise active directory using AD Connect to Azure AD as shown in the diagram. In this demo we will use AD connect with password synchronization and single sign-on.

Please note: Changing MX DNS records need to be done well in advance as it can take upto 48 hours of the change being made to allow propagation through DNS. Please bear this in mind so it wil not effect your mailflow or any downtime you need to schedule to make the change.

The following content is covered in this video.

  • Intro diagram
  • AD Connect – password hash and exchange hybrid deployment
  • Domain name setup
  • Licenses Microsoft E3 trial
  • On-premise Exchange config
  • On-premise virtual directories
  • Certificates (third party CA)
  • Domain registrar MX records
  • Hybrid connection wizard connectivity
  • Hybrid connection wizard install and configuration
  • What’s changed after the hybrid install?
  • Testing mail flow
  • Change MX records for office 365
  • Mailbox migration

Troubleshoot a Exchange hybrid deployment
Office 365 E3 (Microsoft E3) trial license signup
Microsoft Hybrid Agent requirements and verify connectivity
Office 365 admin center
Azure AD Connect install and configuration


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