Migrate hybrid E2013 on 2012R2 to E2019 on Windows 2022

Senior Member

We have an single virtual hybrid E2013 server running on Windows 2012R2. All our internet email routes to the hybrid server because we use 400+ DDGs and they are not easily converted to O365 DDGs. We want to migrate it to a virtual hybrid E2019 on Windows 2022, and also add redundancy on the hybrid role. All of our production mailboxes are in O365; the only on-premise mailboxes are Discovery.

 

I'm having trouble locating documents to cover all the moving parts, and the order to make the migration. Can anyone help with the required documents?

 

Thanks!

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