Azure Databricks customers in multiple regions experienced delays or failures when launching clusters and running jobs that used init-scripts dependent on Ubuntu package repositories (archive.ubuntu.com and security.ubuntu.com) starting at 01:15 UTC on April 17, 2026. The issue affected the Compute Service and caused cluster launch failures and job execution delays for workloads relying on these package repositories. The incident lasted 1.1 hours with the team actively investigating and monitoring for full recovery as the issue appeared to be stabilizing.
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Impact Summary
Starting at 17 April 2026 01:15 UTC, customers in multiple regions may experience delays or failures affecting clusters and jobs that execute init-scripts with dependencies on the Ubuntu package repositories (archive.ubuntu.com and security.ubuntu.com).
Symptoms
Customers may observe:
- Delays or failures in launching clusters
- Jobs dependent on affected clusters may fail or experience delays
Recommendations
If the workload rely on packages that are available via alternate mirror repositories, customer may consider temporarily updating init script to use an alternative mirror.
Current Status
Our team is actively investigating. The issue appears to be stabilizing and we are monitoring for full recovery.
Next Update
We will provide another update within 1 hour, or sooner if there is a material change in service status.
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