Auto Scaling
API Reference (API Version 2011-01-01)


Resumes the specified suspended Auto Scaling processes for the specified Auto Scaling group. To resume specific processes, use the ScalingProcesses parameter. To resume all processes, omit the ScalingProcesses parameter. For more information, see Suspend and Resume Auto Scaling Processes in the Auto Scaling Developer Guide.

Request Parameters

For information about the common parameters that all actions use, see Common Parameters.


The name or Amazon Resource Name (ARN) of the Auto Scaling group.

Type: String

Length constraints: Minimum length of 1. Maximum length of 1600.

Pattern: [\u0020-\uD7FF\uE000-\uFFFD\uD800\uDC00-\uDBFF\uDFFF\r\n\t]*

Required: Yes


One or more of the following processes:

  • Launch

  • Terminate

  • HealthCheck

  • ReplaceUnhealthy

  • AZRebalance

  • AlarmNotification

  • ScheduledActions

  • AddToLoadBalancer

Type: String list

Length constraints: Minimum length of 1. Maximum length of 255.

Pattern: [\u0020-\uD7FF\uE000-\uFFFD\uD800\uDC00-\uDBFF\uDFFF\r\n\t]*

Required: No


For information about the errors that are common to all actions, see Common Errors.


You already have a pending update to an Auto Scaling resource (for example, a group, instance, or load balancer).

HTTP Status Code: 500


The Auto Scaling group or launch configuration can't be deleted because it is in use.

HTTP Status Code: 400