name : detach-instances.rst **To detach an instance from an Auto Scaling group** This example detaches the specified instance from the specified Auto Scaling group. :: aws autoscaling detach-instances \ --instance-ids i-030017cfa84b20135 \ --auto-scaling-group-name my-asg \ --should-decrement-desired-capacity Output:: { "Activities": [ { "ActivityId": "5091cb52-547a-47ce-a236-c9ccbc2cb2c9", "AutoScalingGroupName": "my-asg", "Description": "Detaching EC2 instance: i-030017cfa84b20135", "Cause": "At 2020-10-31T17:35:04Z instance i-030017cfa84b20135 was detached in response to a user request, shrinking the capacity from 2 to 1.", "StartTime": "2020-04-12T15:02:16.179Z", "StatusCode": "InProgress", "Progress": 50, "Details": "{\"Subnet ID\":\"subnet-6194ea3b\",\"Availability Zone\":\"us-west-2c\"}" } ] }