Exchange 2010 includes a feature called Datacenter Activation Coordination (DAC) mode that is designed to prevent split brain at the database level during switchback procedures that are being per...
Updated Apr 27, 2020
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Thanks, Tim! I'm sorry I missed your session at MEC . . . I was focused on the Exchange 2013 sessions. Anyway, can you explain why the datacenter switchover troubleshooter seems to indicate a much simpler process for Restoring Service to the Primary Datacenter
and doing Mailbox Server Role Switchback than does http://technet.microsoft.com/en-us/library/dd351049.aspx#Res?
technet.microsoft.com/.../dd351049.aspx Is the process of dismounting the databases in the second data center before moving them back to the Primary not actually necessary?