Outage in Cognite

AWS has issues in US N. Virginia

Resolved Minor
October 20, 2025 - Started about 2 months ago - Lasted about 24 hours

Incident Report

AWS is reporting increased error rates and latencies for multiple services in the US-EAST-1 (N. Virginia) region, where our aw-was-gp-001 cluster is located. The incident is currently being investigated.

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Latest Updates ( sorted recent to last )
MONITORING about 2 months ago - at 10/21/2025 05:51AM

"we experienced increased error rates and latencies for AWS Services in the US-EAST-1 Region. Additionally, services or features that rely on US-EAST-1 endpoints such as IAM and DynamoDB Global Tables also experienced issues during this time. Now all AWS services returned to normal operations.

"

INVESTIGATING about 2 months ago - at 10/20/2025 05:25PM

The aw-was-gp-001 cluster continues to experience disruptions as major instability persists in the AWS US-EAST-1 (N. Virginia) region.

We are actively investigating on this, and the most severe impact seems to be on Functions and Workflow Orchestration services.

INVESTIGATING about 2 months ago - at 10/20/2025 03:13PM

Production services in the aw-was-gp-001 cluster are experiencing errors, delays, and failed function calls. The issue has been reopened and is currently being investigated.

RESOLVED about 2 months ago - at 10/20/2025 02:35PM

AWS has confirmed that the underlying DNS issue in the US-EAST-1 region is fully mitigated, and all AWS services are operating normally. CDF operations in aw-was-gp-001 have fully recovered without any manual intervention.

MONITORING about 2 months ago - at 10/20/2025 11:03AM

AWS services in US-EAST-1 (N. Virginia) have largely recovered. CDF operations in aw-was-gp-001 are running normally, and no manual action is required. The incident remains in Monitoring.

MONITORING about 2 months ago - at 10/20/2025 10:02AM

AWS is showing significant signs of recovery in the US-EAST-1 (N. Virginia) region. Most requests to affected services are now succeeding, and internal monitoring confirms recovery trends across key services and workflows.
We are continuing to monitor for any residual issues.

INVESTIGATING about 2 months ago - at 10/20/2025 08:01AM

AWS is reporting increased error rates and latencies for multiple services in the US-EAST-1 (N. Virginia) region, where our aw-was-gp-001 cluster is located. The incident is currently being investigated.

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