We have a 6 member DAG in exchange 2010 sp3 ru9 and one hub witness server. We are planning a 30 minute complete network outage. What would be the best course of
action to prevent split brain issue and dismounting database confusion in the DAG. We discussed failing over active databases to 3 servers and stopping the exchange services on the other 3 prior to the outage. Would this help or would we also have to stop
services on witness server?
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