Release: Auto Scaling on 2009-12-02

Release Notes>Release: Auto Scaling on 2009 12 02
Updates for the new US-West (Northern California) Region


Submitted By: cheriaws
Release Date: December 2, 2009 12:00 AM GMT
Latest Version: 2009-05-15
Created On: December 3, 2009 1:57 AM GMT
Last Updated: December 3, 2009 10:04 AM GMT

New Features

Feature Description
New Region Amazon Auto Scaling now supports the new US-West (Northern California) Region region. The new endpoint is Users should download the new version of the command line tools from The previous version of the command line tools will continue to work, but will use the legacy naming convention for the endpoints. For more information, see the Amazon Auto Scaling Developer Guide.


Known Issues

Issue Description Impact
1 Auto Scaling is a feature of Amazon Elastic Compute Cloud (EC2). You must be signed up for Amazon Elastic Compute Cloud (EC2) service in order to call the Auto Scaling APIs.
2 Calling TerminateInstanceInAutoScalingGroup API without a replacement can result in an Auto Scaling Group dropping below the minimum size. The Auto Scaling Group may stay below the minimum configured size until a scaling action or a SetDesiredCapacity API call increases the number of instances in the Auto Scaling Group.
3 SOAP requests over HTTP will result in the following error: Premature end of file. AWSRequestId:No request id received. API requests using SOAP are only supported over HTTPS.
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