Astronomer incident
Some Azure clusters unable to scale worker nodes.
Astronomer experienced a major incident on February 2, 2026 affecting Scheduling and Running DAGs and Tasks, lasting 12h 13m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Feb 02, 2026, 08:43 PM UTC
An potential Azure outage is resulting in some Azure clusters being unable to scale worker nodes. As a result, some tasks may fail. We are investigating internally and working with Azure to restore service as soon as possible.
- investigating Feb 02, 2026, 08:43 PM UTC
We are continuing to investigate this issue.
- identified Feb 02, 2026, 09:46 PM UTC
Azure has confirmed the outage. Please see their status page for additional information https://azure.status.microsoft/en-us/status
- monitoring Feb 03, 2026, 12:23 AM UTC
We are still waiting on confirmation from Azure that the issue has passed, but we are no longer seeing impact to Astronomer workloads.
- monitoring Feb 03, 2026, 01:50 AM UTC
We are now seeing additional clusters being affected. Issue is still ongoing.
- resolved Feb 03, 2026, 08:56 AM UTC
Mitigations have been fully applied across all affected regions by Azure, and validations confirm that configurations have been successfully updated. Customers should now see full recovery of service management operations, and dependent services are operating as expected.