AWS Auto Scaling
User Guide

AWS Auto Scaling Limits

Your AWS account has the following limits related to AWS Auto Scaling. To request a limit increase, use the Auto Scaling Limits form.

Default Limits Per Region Per Account

Item Default Limit Notes
Maximum number of scalable resources per resource type

Amazon DynamoDB: 2000

Amazon EC2 Auto Scaling groups: 200

All other resource types: 500

Make sure that you specify the type of resource with your request for a limit increase, for example, Amazon EC2 Auto Scaling, Amazon ECS, or DynamoDB.
Maximum number of scaling plans 100
Maximum number of scaling instructions per scaling plan 500
Maximum number of target tracking configurations per scaling instruction 10

For more information on the service limits for other AWS services, see AWS Service Limits in the Amazon Web Services General Reference.