Use Availability Set Update Domain for auto grouping
If deploying updates to VMs that are part of an Availability Set, it would be great to be able to create one schedule for all VMs in the set, then have Update Management use the AV set Update Domain to apply updates to VMs in groups based on the Update Domain.
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Davies, John commented
Can we also have the same functionality for IaaS VM's inside deployed across Availability Zones to adhere to the Availability SLA.