Request Parameters Response Elements Errors Examples See Also

ExitStandby

Moves the specified instances out of the standby state.

After you put the instances back in service, the desired capacity is incremented.

For more information, see Temporarily removing instances from your Auto Scaling group in the Amazon EC2 Auto Scaling User Guide.

Request Parameters

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

AutoScalingGroupName

The name of the Auto Scaling group.

Type: String

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

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

Required: Yes

InstanceIds.member.N

The IDs of the instances. You can specify up to 20 instances.

Type: Array of strings

Length Constraints: Minimum length of 1. Maximum length of 19.

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

Required: No

Response Elements

The following element is returned by the service.

Activities.member.N

The activities related to moving instances out of Standby mode.

Type: Array of Activity objects

Errors

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

ResourceContention

You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling group, instance, or load balancer).

HTTP Status Code: 500

Examples

Example

This example illustrates one usage of ExitStandby.

Sample Request


https://autoscaling.amazonaws.com/?Action=ExitStandby
&AutoScalingGroupName=my-asg
&InstanceIds.member.1=i-1234567890abcdef0
&Version=2011-01-01
&AUTHPARAMS

Sample Response


<ExitStandbyResponse xmlns="https://autoscaling.amazonaws.com/doc/2011-01-01/">
  <ExitStandbyResult>
    <Activities>
      <member>
        <ActivityId>12345678-1234-1234-1234-123456789012</ActivityId>
        <AutoScalingGroupName>my-asg</AutoScalingGroupName>
        <Description>Moving EC2 instance out of Standby: i-1234567890abcdef0</Description>
        <Progress>30</Progress>
        <Cause>At 2022-06-13T22:43:53Z instance i-1234567890abcdef0 was moved out of standby in response to a user request, increasing the capacity from 3 to 4.</Cause>
        <StartTime>2022-06-13T22:43:53.523Z</StartTime>
        <Details>{"Availability Zone":"us-east-1a","SubnetID":"subnet-057fa0918fEXAMPLE"}</Details>
        <StatusCode>PreInService</StatusCode>
      </member>
    </Activities>
  </ExitStandbyResult>
  <ResponseMetadata>
    <RequestId>7c6e177f-f082-11e1-ac58-3714bEXAMPLE</RequestId>
  </ResponseMetadata>
</ExitStandbyResponse>