Astronomer incident

AWS Cluster Creation is Failing

Major Resolved View vendor source →

Astronomer experienced a major incident on January 16, 2026 affecting Deployment Management, lasting 7h 20m. The incident has been resolved; the full update timeline is below.

Started
Jan 16, 2026, 04:59 PM UTC
Resolved
Jan 17, 2026, 12:19 AM UTC
Duration
7h 20m
Detected by Pingoru
Jan 16, 2026, 04:59 PM UTC

Affected components

Deployment Management

Update timeline

  1. investigating Jan 16, 2026, 04:59 PM UTC

    Creation of AWS clusters is failing. At the moment, we do not think this impacts existing clusters, but we are working on getting confirmation for this.

  2. investigating Jan 16, 2026, 05:00 PM UTC

    We are continuing to investigate this issue.

  3. investigating Jan 16, 2026, 06:08 PM UTC

    We have confirmed that existing clusters are unaffected. We are testing a potential workaround to create AWS clusters.

  4. identified Jan 16, 2026, 08:22 PM UTC

    We have identified the root cause and are working on releasing a fix.

  5. identified Jan 16, 2026, 11:39 PM UTC

    The fix has been released and verified and it will become available across Astronomer infrastructure over the next hour.

  6. identified Jan 17, 2026, 12:14 AM UTC

    All system functionality has been restored and is operational.

  7. resolved Jan 17, 2026, 12:19 AM UTC

    This incident has been resolved.