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Amazon Web Services: Elevated Launch Failures (us-west-2)

MinorStatus: resolvededitedStarted Resolved (2.4 h)4 updateshealth.aws.amazon.com (opens in new tab)

Affected components: Amazon Managed Workflows for Apache AirflowAmazon WorkSpaces ApplicationsAWS BackupAWS BatchBedrock AgentCoreAWS CloudShellAmazon CloudWatchAWS CodeBuildAWS CodePipelineAWS DataSyncAWS Device FarmAmazon DocumentDBAmazon Elastic Container ServiceAWS Elastic BeanstalkAmazon Elastic Load BalancingAWS ElementalAmazon EMR ServerlessAmazon Elastic MapReduceAmazon EventBridgeAWS FargateAmazon GameLift StreamsAmazon GameLift ServersAWS GlueAWS HealthImagingAmazon MQAWS HealthOmicsAWS Parallel Computing ServiceAmazon Relational Database ServiceAmazon SageMakerAWS Step FunctionsVM Import/ExportAmazon WorkSpaces

Timeline of updates

  1. updateEdited

    We are experiencing elevated launch failures in the US-WEST-2 Region.

  2. update

    We are experiencing elevated launch failures in the US-WEST-2 Region caused by an issue with the EBS service. Services that depend on EBS or EC2 will experience failure rates of their own. We are working to mitigate the issues. We will provide you with another update by 4:00 PM PST or sooner if new information becomes available.

  3. update

    We can confirm EC2 instance launch failures affecting all AZs (usw2-az1, usw2-az2, usw2-az3, usw2-az4) in the US-WEST-2 Region. We have identified the issue to be caused by a subsystem that supports EBS Volumes required during instance launch. Services that instantiate new instances, such as cross-region data copy for DataSync, within the US-WEST-2 Region as either the source or destination are also affected. We recommend that customers do not mutate running instances at this time that would result in the replacement or creation of a new EC2 instance in the Region. Running EC2 instances and already created EBS volumes continue to operate as normal.

    We are seeing early signs of recovery, and continue to take steps to restore launches within the Region. We will update this post by 5:30 PM PST or earlier if we have new information to share.

  4. resolved

    Between 2:35 PM and 4:21 PM PST, we experienced elevated EC2 instance launch failures affecting all AZs (usw2-az1, usw2-az2, usw2-az3, usw2-az4) in the US-WEST-2 Region. EC2 Instance Launches, AWS services that instantiated new instances, as well as services such as DataSync or AWS Backup which require new instances to support data transfers to or from the US-WEST-2 Region were affected. Our engineers were automatically engaged and immediately began investigating the root cause. We identified the issue to be caused by a subsystem that supports EBS Volumes required during instance launch. We began remediation of that issue at 3:20 PM, and completed full recovery at 4:21 PM. We recommend customers retry requests that failed during this time. Running EC2 instances and already created EBS volumes were not impacted and continued to operate as normal. The issue has been resolved and all AWS services are now operating normally.

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Impact, status and times are the vendor’s own, as last archived. View on health.aws.amazon.com (opens in new tab).

Cite this

Status incident (vendor impact label: minor) posted by Amazon Web Services, started 2026-11-06 22:51 UTC, resolved after 2.4 h, 4 update(s); edited after publishing.

Title
Elevated Launch Failures (us-west-2)
Vendor
Amazon Web Services
Date
URL
https://rewindex.com/company/aws/incidents/us-west-2-aws_ec2_operational_issue_62978_c9c1126888d

Amazon Web Services profileRecent Amazon Web Services incidentsAll outages on November 6, 2026Amazon Web Services in November 2026MarkdownJSON