DetachTrafficSources - Amazon EC2 Auto Scaling
Services or capabilities described in Amazon Web Services documentation might vary by Region. To see the differences applicable to the China Regions, see Getting Started with Amazon Web Services in China (PDF).


Detaches one or more traffic sources from the specified Auto Scaling group.

When you detach a traffic source, it enters the Removing state while deregistering the instances in the group. When all instances are deregistered, then you can no longer describe the traffic source using the DescribeTrafficSources API call. The instances continue to run.

Request Parameters

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


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


The unique identifiers of one or more traffic sources. You can specify up to 10 traffic sources.

Type: Array of TrafficSourceIdentifier objects

Required: Yes


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


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



This example detaches the Classic Load Balancer named my-classic-load-balancer from the Auto Scaling group named my-asg.

Sample Request &AutoScalingGroupName=my-asg &TrafficSources.member.1.Identifier=my-classic-load-balancer &TrafficSources.member.1.Type=elb &Version=2011-01-01 &AUTHPARAMS

See Also

For more information about using this API in one of the language-specific Amazon SDKs, see the following: