# autoscaling-multiple-instance-types
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Checks if an Amazon EC2 Auto Scaling group uses multiple instance types. The rule is NON\$1COMPLIANT if the Amazon EC2 Auto Scaling group has only one instance type defined. This rule does not evaluate attribute-based instance types. 



**Identifier:** AUTOSCALING\$1MULTIPLE\$1INSTANCE\$1TYPES

**Resource Types:** AWS::AutoScaling::AutoScalingGroup

**Trigger type:** Configuration changes

**Amazon Web Services Region:** All supported Amazon regions except Asia Pacific (New Zealand), Asia Pacific (Thailand), Mexico (Central), Asia Pacific (Taipei) Region

**Parameters:**

None  

## Amazon CloudFormation template
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To create Amazon Config managed rules with Amazon CloudFormation templates, see [Creating Amazon Config Managed Rules With Amazon CloudFormation Templates](aws-config-managed-rules-cloudformation-templates.md).