Trusted Advisor - Fault Tolerance Checks Summary Date: Sat Jun 28 00:26:20 UTC 2025 Fetching list of Fault Tolerance checks... Check: Amazon Aurora MySQL cluster backtracking not enabled Check ID: c18d2gz131 Status: not_available Check: Amazon DynamoDB Point-in-time Recovery Check ID: c18d2gz138 Status: ok Check: Amazon Redshift cluster automated snapshots Check ID: c18d2gz135 Status: not_available Check: Amazon Route 53 Name Server Delegations Check ID: cF171Db240 Status: ok Check: AWS Site-to-Site VPN has at least one Tunnel in DOWN Status Check ID: c18d2gz123 Status: not_available Check: Amazon RDS Multi-AZ Check ID: f2iK5R6Dep Status: ok Check: Amazon CloudFront Origin Failover Check ID: c18d2gz112 Status: not_available Check: Amazon S3 Bucket Versioning Check ID: R365s2Qddf Status: warning Check: Amazon S3 Bucket Replication Not Enabled Check ID: c18d2gz119 Status: warning Check: AWS Well-Architected high risk issues for reliability Check ID: Wxdfp4B1L4 Status: ok Check: Amazon EFS not in AWS Backup Plan Check ID: c18d2gz117 Status: not_available Check: Amazon RDS Backups Check ID: opQPADkZvH Status: ok Check: Amazon EC2 AutoScaling Group Multiple Availability Zone Check ID: c18d2gz101 Status: not_available Check: Gateway Load Balancer endpoint AZ independence Check ID: 528d6f5ee7 Status: ok Check: Amazon EBS Not Included in AWS Backup Plan Check ID: c18d2gz106 Status: not_available Check: Amazon DynamoDB Table Not Included in Backup Plan Check ID: c18d2gz107 Status: not_available Check: Amazon EC2 Auto Scaling Group does not have ELB Health Check Enabled Check ID: c18d2gz104 Status: warning Check: Network Load Balancers Cross Load Balancing Check ID: c18d2gz105 Status: not_available Check: AWS CloudHSM clusters running HSM instances in a single AZ Check ID: hc0dfs7601 Status: ok Check: Amazon EC2 Auto Scaling Group has Capacity Rebalancing Enabled Check ID: c18d2gz103 Status: not_available Check: Amazon Route53 Resolver Endpoint Availability Zone Redundancy Check ID: Chrv231ch1 Status: ok Check: Amazon RDS Continuous Backup Not Enabled Check ID: 44fde09ab5 Status: ok Check: Amazon Route 53 High TTL Resource Record Sets Check ID: C056F80cR3 Status: ok Check: NAT Gateway AZ Independence Check ID: c1dfptbg10 Status: ok Check: Single AZ Application Check Check ID: c1dfptbg11 Status: ok Check: Amazon ECS service using a single AZ Check ID: c1z7dfpz01 Status: ok Check: Amazon ECS Multi-AZ placement strategy Check ID: c1z7dfpz02 Status: ok Check: Auto Scaling Group Health Check Check ID: CLOG40CDO8 Status: warning Check: Amazon RDS ReplicaLag Check ID: Cmsvnj8db1 Status: ok Check: Amazon RDS FreeStorageSpace Check ID: Cmsvnj8db2 Status: ok Check: Amazon RDS DiskQueueDepth Check ID: Cmsvnj8db3 Status: ok Check: Amazon MSK brokers hosting too many partitions Check ID: Cmsvnj8vf1 Status: ok Check: Network Firewall endpoint Independence Check ID: 7040ea389a Status: ok Check: Amazon Route 53 Deleted Health Checks Check ID: Cb877eB72b Status: ok Check: Amazon DocumentDB Single-AZ clusters Check ID: c15vnddn2x Status: not_available Check: Amazon Comprehend Endpoint Access Risk Check ID: Cm24dfsM13 Status: ok Check: Number of AWS Regions in an Incident Manager replication set Check ID: cIdfp1js9r Status: ok Check: CLB Connection Draining Check ID: 7qGXsKIUw Status: ok Check: Amazon RDS DB instances have storage autoscaling turned off Check ID: c1qf5bt013 Status: ok Check: Amazon RDS DB clusters have one DB instance Check ID: c1qf5bt011 Status: ok Check: Amazon ECS AWSLogs driver in blocking mode Check ID: c1dvkm4z6b Status: not_available Check: AWS Lambda On Failure Event Destinations Check ID: c1dfprch05 Status: ok Check: Amazon RDS DB clusters with all reader instances in the same Availability Zone Check ID: c1qf5bt018 Status: ok Check: ALB Multi-AZ Check ID: c1dfprch08 Status: ok Check: Amazon EFS No Mount Target Redundancy Check ID: c1dfprch01 Status: ok Check: Amazon RDS DB instances not using Multi-AZ deployment Check ID: c1qf5bt019 Status: ok Check: NLB Multi-AZ Check ID: c1dfprch09 Status: ok Check: VPN Tunnel Redundancy Check ID: S45wrEXrLz Status: ok Check: Amazon RDS resource Automated backups is turned off Check ID: c1qf5bt001 Status: ok Check: VPC interface endpoint network interfaces in multiple-AZs Check ID: c1dfprch10 Status: not_available Check: Amazon RDS DB clusters with all instances in the same Availability Zone Check ID: c1qf5bt007 Status: ok Check: ActiveMQ Availability Zone Redundancy. Check ID: c1t3k8mqv1 Status: ok Check: Auto Scaling Available IPs in Subnets Check ID: Cjxm268ch1 Status: ok Check: RabbitMQ Availability Zone Redundancy. Check ID: c1t3k8mqv2 Status: ok Check: Amazon RDS sync_binlog parameter is turned off Check ID: c1qf5bt031 Status: ok Check: Amazon RDS innodb_flush_log_at_trx parameter is turned off Check ID: c1qf5bt030 Status: ok Check: Amazon MemoryDB Multi-AZ clusters Check ID: MDBdfsQ401 Status: ok Check: Amazon RDS innodb_default_row_format parameter setting is unsafe Check ID: c1qf5bt036 Status: ok Check: Amazon RDS Read Replicas are open in writable mode Check ID: c1qf5bt035 Status: ok Check: Amazon RDS max_user_connections parameter is low Check ID: c1qf5bt034 Status: ok Check: Amazon RDS log_output parameter is set to table Check ID: c1qf5bt023 Status: ok Check: Amazon RDS synchronous_commit parameter is turned off Check ID: c1qf5bt026 Status: ok Check: Amazon Route 53 Failover Resource Record Sets Check ID: b73EEdD790 Status: ok Check: AWS Lambda VPC-enabled Functions without Multi-AZ Redundancy Check ID: L4dfs2Q4C6 Status: ok Check: AWS Outposts Single Rack Deployment Check ID: c243hjzrhn Status: not_available Check: Amazon Aurora DB Instance Accessibility Check ID: xuy7H1avtl Status: ok Check: AWS Resilience Hub resilience scores Check ID: RH23stmM01 Status: ok Check: AWS Resilience Hub policy breached Check ID: RH23stmM02 Status: ok Check: AWS Resilience Hub assessment age Check ID: RH23stmM03 Status: ok Check: AWS Resilience Hub Application Component check Check ID: RH23stmM04 Status: ok Check: Network Firewall Multi-AZ Check ID: c2vlfg0gqd Status: ok Check: Amazon EC2 Availability Zone Balance Check ID: wuy7G1zxql Status: ok Check: Auto Scaling Group Resources Check ID: 8CNsSllI5v Status: ok Check: MSK cluster high availability Check ID: 90046ff5b5 Status: ok Check: Amazon S3 Bucket Logging Check ID: BueAdJ7NrP Status: warning Check: EC2 Auto Scaling groups should use EC2 launch templates Check ID: Hs4Ma3G270 Status: not_available Check: Load Balancer Optimization Check ID: iqdCTZKCUp Status: ok Check: Application, Network and Gateway Load Balancers should span multiple Availability Zones Check ID: Hs4Ma3G280 Status: not_available Check: OpenSearch domains should have at least three data nodes. Check ID: Hs4Ma3G281 Status: not_available Check: Amazon EC2 Auto Scaling group should cover multiple Availability Zones Check ID: Hs4Ma3G279 Status: not_available Check: AWS Direct Connect Location Resiliency Check ID: c1dfpnchv2 Status: ok Check: Amazon EBS Snapshots Check ID: H7IgTzjTYb Status: error Check: NLB - Internet-facing resource in private subnet Check ID: c1dfpnchv4 Status: ok Check: AWS Lambda Functions without a dead-letter queue configured Check ID: c18d2gz182 Status: warning Check: Amazon OpenSearch Service domains with less than three data nodes Check ID: c18d2gz183 Status: not_available Check: Amazon ElastiCache Redis clusters Automatic Backup Check ID: c18d2gz178 Status: ok Check: AWS STS global endpoint usage across AWS Regions Check ID: c15m0mgld3 Status: ok Check: ELB - Target Imbalance Check ID: b92b83d667 Status: ok Check: RDS DB Cluster has no Multi-AZ replication enabled Check ID: c18d2gz161 Status: ok Check: Application, Network and Gateway Load Balancers Not Spanning Multiple Availability Zones Check ID: c18d2gz169 Status: not_available Check: RDS Multi-AZ Standby Instance Not Enabled Check ID: c18d2gz156 Status: not_available Check: Classic Load Balancer has no multiple AZs configured Check ID: c18d2gz154 Status: not_available Check: Amazon ElastiCache Multi-AZ clusters Check ID: ECHdfsQ402 Status: ok Check: Amazon RDS not in AWS Backup plan Check ID: c18d2gz159 Status: not_available Check: Amazon RDS DB Instance Enhanced monitoring not enabled Check ID: c18d2gz158 Status: ok Check: Amazon EC2 Detailed Monitoring Not Enabled Check ID: c18d2gz144 Status: ok