# efs-filesystem-multi-az
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Checks if an Amazon EFS file system is deployed across multiple Availability Zones. The rule is NON\_COMPLIANT if 'configuration.AvailabilityZoneName' is present. 



**Identifier:** EFS\_FILESYSTEM\_MULTI\_AZ

**Resource Types:** AWS::EFS::FileSystem

**Trigger type:** Configuration changes

**AWS Region:** All supported AWS regions except Asia Pacific (New Zealand), Middle East (Bahrain), Asia Pacific (Thailand), Asia Pacific (Jakarta), Middle East (UAE), Asia Pacific (Hyderabad), 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), 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).