Increased Error Rates (eu-west-2)

Timeline

1. 15:15 UTC AWS status page · Reported Increased Error Rates (eu-west-2)
2. 15:15 UTC AWS status page · Update We are investigating an issue that is impacting launching new EC2 instances and resources in a newly launched Availability Zone (euw2-az4) in the EU-WEST-2 Region. During this time, affected customers may experience issues when creating or modifying resources in the Region. Other AWS services may also be impacted. For immediate recovery, we recommend that customers use alternative Availability Zones (euw2-az1, euw2-az2, and euw2-az3) where applicable. Existing running instances and resources are not affected. We will provide another update by 10:00 AM PDT, or sooner if we have additional…
3. 17:03 UTC AWS status page · Update On August 18 we launched a new Availability Zone (euw2-az4) in the EU-WEST-2 Region. After the launch, we began experiencing errors launching EC2 instances in the new Availability Zone when a default subnet is not present. We can confirm that existing running instances and resources are not affected. Workflows that automatically get a list of Availability Zones in the Region via the DescribeAvailabilityZones API and then attempt to launch new instances or create resources in the new Availability Zone may encounter errors. For EC2 instance launch failures, we are taking mitigating steps to…
4. 18:47 UTC AWS status page · Update Between August 18 5:00 PM and August 19 11:00 AM PDT, we experienced elevated errors launching EC2 instances in a newly launched Availability Zone (euw2-az4) in the EU-WEST-2 Region. After the new Availability Zone launch, we began experiencing errors when using a default VPC. We discovered the root cause of the issue on August 19 at 9:00 AM and began deploying a change to resolve the issue at 9:30 AM. While the change was underway, we began to see incremental improvements in new instance launches, with full recovery at 11:00 AM. Existing running instances and resources were not affected…
5. 18:47 UTC AWS status page · Resolved Resolved