# ecs-task-definition-memory-hard-limit
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Checks if Amazon Elastic Container Service (ECS) task definitions have a set memory limit for its container definitions. The rule is NON\$1COMPLIANT for a task definition if the ‘memory’ parameter is absent for one container definition. 

**Warning**  
As of April 3, 2026, AWS Config has discontinued support for this managed rule. Evaluation results will no longer be generated.

**Identifier:** ECS\$1TASK\$1DEFINITION\$1MEMORY\$1HARD\$1LIMIT

**Resource Types:** AWS::ECS::TaskDefinition

**Trigger type:** Configuration changes

**AWS Region:** All supported AWS regions except Asia Pacific (New Zealand), China (Beijing), Asia Pacific (Thailand), Asia Pacific (Jakarta), Middle East (UAE), Asia Pacific (Hyderabad), Asia Pacific (Osaka), Asia Pacific (Malaysia), Asia Pacific (Melbourne), AWS GovCloud (US-East), AWS GovCloud (US-West), Mexico (Central), Israel (Tel Aviv), Asia Pacific (Taipei), Canada West (Calgary), Europe (Spain), China (Ningxia), Europe (Zurich) Region

**Parameters:**

None  

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