Start-DatabaseAvailabilityGroup fails with BlockedDeserializeTypeException (KB5017261)

Start-DatabaseAvailabilityGroup fails with BlockedDeserializeTypeException KB5017261 Applies To Exchange Server 2019 Exchange Server 2016 Exchange Server 2013 Symptoms If a database availability group DAG is in Datacenter Activation Coordination DAC mode, the Start-DatabaseAvailabilityGroup comma...