Hybrid deployments with Exchange 2013

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Applies to: Office 365, Exchange Online

Hi. You’ve landed here because you’ve indicated that you have an Exchange 2003 on-premises organization.

Because you have an Exchange 2003 on-premises organization and want to configure a new hybrid deployment with Office 365, you must add one or more servers running Exchange 2010 Server Service Pack 3, not Exchange 2013 servers, to your on-premises organization.

Click Next Next to start the hybrid deployment checklist in the Hybrid section of the Deployment Assistant for an Exchange 2010-based hybrid deployment. You’ll need to select Exchange 2003 as your current on-premises environment to get restarted in the next step and then continue answering the checklist questions.