Forum Discussion

David Machula's avatar
David Machula
Copper Contributor
Jan 07, 2019

Exchange 2016 "hybrid server" in Exchange 2010 environment

Current Exchange environment: Exchange 2010 SP3 RU 24 Future plans: set up hybrid environment with Exchange Online, migrate all mailboxes to EXO. Question: how and when to add the Exchange 2016 ser...
exchange
hybrid
migration
David Machula's avatar
David Machula
Copper Contributor
Jan 07, 2019
Clarification: we currently have 2 Exchange 2010 servers in a DAG (with incoming client connections load-balanced).
  • NunoAriasSilva's avatar
    NunoAriasSilva
    MVP
    Oct 20, 2019

    Hi David Machula,

     

    You can install 2 Exchange 2016 and have load balancing to them and move all pointers' DNS, Connectors and so on to them.

     

    The best practice is that you always implement a migration strategy to avoid downtime regarding your architecture.

     

    I advise that you implement Hybrid with 2 Exchange 2016 and then migrate all Mailboxes to Office 365 leaving the Exchange 2016 to manage proposes. 

     

    Best regards,

    Nuno Árias Silva 

    • Mitch Sprague's avatar
      Mitch Sprague
      Brass Contributor
      Nov 26, 2019

      Using the above configuration is it possible to add the Exchange 2016 server as the hybrid and leave the DNS pointers directing to the Exchange 2010 DAG? Run the HCW, migrate mailboxes, etc and then once everyone is in Exchange Online repoint to O365?  NunoAriasSilva We're wondering if that's possible without repointing to the Exchange 2016 server.  Thoughts?

      • NunoAriasSilva's avatar
        NunoAriasSilva
        MVP
        Nov 26, 2019

        Hi Mitch Sprague,

         

        When you have an Exchange that is more recent in your infrastructure like your scenario (Exchange 2016 with 2010) is advised to have the Hybrid in the most recent and have all pointers to 2016 to avoid issues.

         

        Best regards,

        Nuno Ária Silva