--- names: full: "AWS EC2 Auto Scaling Group does not span multiple Availability Zones" contextual: "Auto Scaling Group does not span multiple Availability Zones" description: > Ensure that AWS Auto Scaling Groups are configured across multiple Availability Zones to helps applications remain resilient in case of an Availability Zone failure. categories: - "RELIABILITY" type: "COMPLIANCE_POLICY" frameworkMappings: - "/frameworks/cloudaware/resource-reliability/system-configuration" - "/frameworks/aws-fsbp-v1.0.0/auto-scaling/02" - "/frameworks/aws-well-architected/rel/06/04" - "/frameworks/aws-well-architected/rel/07/02" - "/frameworks/aws-well-architected/rel/11/03" - "/frameworks/aws-well-architected/sus/02/01"