# 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

**Amazon Web Services Region:** All supported Amazon 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), Amazon GovCloud (US-East), Amazon GovCloud (US-West), Mexico (Central), Israel (Tel Aviv), Asia Pacific (Taipei), Canada West (Calgary), Europe (Spain), Europe (Zurich) 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).