Exchange 2019 - No mixing of Exchange Servers in a DAG

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Experience Level: Beginner
Edward van Biljon
Experienced Messaging Specialist with a demonstrated history of working in the information technology and services industry.
In this video we explain why you cannot take an Exchange 2013/2016 database and attach it to an Exchange 2019 server and why you cannot mix Exchange Versions in a Database availability Group (DAG)
This article helps you to fix mail flow when there is a new account with a soft match or hard match and convert the mailbox as remote-mailbox and list in Exchange Admin Center.
This article will explain how to deal the following error in Outlook: Exchange 2013 Troubleshooting: Error 0x8004010F - The operation failed. An object cannot be found

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