Start-DatabaseAvailabilityGroup fails with BlockedDeserializeTypeException (KB5017261)

Symptoms 

If a database availability group (DAG) is in Datacenter Activation Coordination (DAC) mode, the Start-DatabaseAvailabilityGroup command fails and generates an error when you run it against a member server that was stopped previously by using Stop-DatabaseAvailabilityGroup.

Resolution

To fix this issue, install the following cumulative update, as appropriate:

• Description of the security update for Microsoft Exchange Server 2019 and 2016: August 9, 2022 (KB5015322)

• Description of the security update for Microsoft Exchange Server 2013: August 9, 2022 (KB5015321)

References

Learn about the terminology that Microsoft uses to describe software updates.