Forum Discussion
EvoPeters
Dec 16, 2021Copper Contributor
Add Exchange 2016 to existing Exchange 2010 DAG
Hi I am currently performing a Exchange Migration from 2010 to Exchange 2016 it is a Hybrid setup to Office 365. From my understanding and research exchange 2016 should be able to coexist with excha...
surajbudhani
Microsoft
Dec 16, 2021No Daniel, that's not how DAG works.
You cannot add Exchange 2016 Servers to Exchange 2010 DAG. All the servers in a DAG should be of the same Version. Hence, due to obvious reasons you cannot add a Database Copy of Exchange 2010 Mailbox database on Exchange 2016.
If you want to move mailboxes from 2010 to 2016 you will have to migrate them.
You cannot add Exchange 2016 Servers to Exchange 2010 DAG. All the servers in a DAG should be of the same Version. Hence, due to obvious reasons you cannot add a Database Copy of Exchange 2010 Mailbox database on Exchange 2016.
If you want to move mailboxes from 2010 to 2016 you will have to migrate them.