AWS Suffers Major Outage Affecting 108+ Services as DNS Failures Cascade Across US-EAST-1 Region
Summary
AWS suffers massive outage impacting over 108 services across US-EAST-1 region as DNS failures cascade through DynamoDB, EC2, Lambda, and CloudWatch, with internal network monitoring issues triggering widespread connectivity problems before full restoration at 3:01 PM.
Key Points
- AWS experiences major outage affecting over 108 services in US-EAST-1 region, with DNS resolution issues for DynamoDB endpoints triggering cascading failures across EC2, Lambda, and CloudWatch
- The incident originates from an internal network subsystem responsible for monitoring network load balancer health, causing impairments in EC2 instance launches and widespread connectivity problems
- All AWS services return to normal operations by 3:01 PM, though some services like AWS Config, Redshift, and Connect continue processing message backlogs from the disruption