capacity Reservation Preference
Parameters
value
The capacity reservation preference. The following options are available:
capacity-reservations-only
- Auto Scaling will only launch instances into a Capacity Reservation or Capacity Reservation resource group. If capacity isn't available, instances will fail to launch.capacity-reservations-first
- Auto Scaling will try to launch instances into a Capacity Reservation or Capacity Reservation resource group first. If capacity isn't available, instances will run in On-Demand capacity.none
- Auto Scaling will not launch instances into a Capacity Reservation. Instances will run in On-Demand capacity.default
- Auto Scaling uses the Capacity Reservation preference from your launch template or an open Capacity Reservation.