# ec2-instance-managed-by-systems-manager
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**Important**  
For this rule, the rule identifier (EC2\_INSTANCE\_MANAGED\_BY\_SSM) and rule name (ec2-instance-managed-by-systems-manager) are different.

Checks if your Amazon EC2 instances are managed by Amazon Systems Manager Agent (SSM Agent). The rule is NON\_COMPLIANT if an EC2 instance is running and the SSM Agent is stopped, or if an EC2 instance is running and the SSM Agent is terminated.

**Note**  
The rule will not return NON\_COMPLIANT if an EC2 instance is stopped and the SSM Agent is running.



**Identifier:** EC2\_INSTANCE\_MANAGED\_BY\_SSM

**Resource Types:** AWS::EC2::Instance, AWS::SSM::ManagedInstanceInventory

**Trigger type:** Configuration changes

**Amazon Web Services Region:** All supported Amazon regions

**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).