Service is operating normally: [RESOLVED] Elevated connectivity issues with a single Avalability zone

highAWSJul 16, 2026 01:24
networkcomputeapi
Network / RoutingCapacity IssueAPI Issue

Summary

Between 2:56 PM and 6:07 PM PDT, we experienced connectivity issues to a subset of EC2 instances in a single Availability Zone (euc1-az2) in the EU-CENTRAL-1 Region. During this time, customers may also have experienced increased error rates and latencies for new instance launches in the affected zone, along with some AWS APIs that use the affected EC2 instances. Some AWS Services also experienced connectivity issues and increased error rates within the affected zone. Engineers were automaticall

Impact

Between 2:56 PM and 6:07 PM PDT, we experienced connectivity issues to a subset of EC2 instances in a single Availability Zone (euc1-az2) in the EU-CENTRAL-1 Region. During this time, customers may also have experienced increased error rates and latencies for new instance launches in the affected zone, along with some AWS APIs that use the affected EC2 instances. Some AWS Services also experienced connectivity issues and increased error rates within the affected zone. Engineers were automaticall

Lessons Learned

AWS has experienced 65 incidents in the past year. This frequency suggests systemic reliability challenges that may warrant additional monitoring.

📊Incidents related to network, compute, api have occurred 896 times across all providers in the past year. This is one of the most common failure categories in cloud infrastructure.

💡This incident is categorized as: Network / Routing, Capacity Issue, API Issue. Consider implementing preventive measures specific to this failure category.