Exchange 2010 in Hybrid mode - How to upgrade to Exchange 2016/2019 and maintain Hybrid mode

Question

All mailboxes and Public Folders are in Exchange Online and I am maintaining Exchange 2010 on premise in Hybrid mode.

What is the correct procedure to introduce an Exchange Server 2016/2019 to replace my old Exchange server in the above circumstances?

From what I have read, I would have to move to Exchange 2016 initially as this is the latest version that will allow co-existence. I think.

If I stage it, is it simply a case of re-running the hybrid wizard to re-establish Hybrid on the new Exchange server?

Would I have to break hybrid mode on the old Exchange server first?

nunoariassilva · Answer

Hi&nbsp;Chris-Yue,
&nbsp;
You can do a migration to Exchange 2016 as you describe and after that re-run the HCW using Exchange 2016.

chris-yue · Answer

&nbsp;Hi ,&nbsp;Do I need to take any action against my existing Exchange 2010 server before running the HCW on&nbsp; Exchange Server 2016?&nbsp;&nbsp;

rnishat0786 · Answer

Hi Chris&nbsp;I would suggest you to refer to the below thread..&nbsp;https://social.technet.microsoft.com/Forums/en-US/38b6de26-e5d4-430b-a2f2-d661dbe29d23/upgrade-exchange-2010-hybrid-to-exchange-2016-hybrid?forum=Exch2016GD&nbsp;Thanks&nbsp;Robin Nishad------------------Technical Consultant&nbsp;&nbsp;

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Exchange 2010 in Hybrid mode - How to upgrade to Exchange 2016/2019 and maintain Hybrid mode

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