# Snowflake: INC20000063

- Impact (vendor’s label): critical
- Status: postmortem
- Started: 2026-06-30 22:34 UTC · Resolved: 2026-06-30 23:34 UTC · Duration: 1.0 h
- Updates: 4 · Affected components: Applications, AWS - US West (Oregon) - Applications
- [Vendor status page: https://stspg.io/2ntzkjjp4pr1](https://stspg.io/2ntzkjjp4pr1)
- [Company: Snowflake](https://rewindex.com/company/snowflake.md)

## Summary

Snowflake reported a critical Snowsight authentication outage in AWS - US West (Oregon), preventing access or unexpectedly logging customers out; other Snowflake features were unaffected. It started at 2026-06-30 22:34 UTC and was resolved at 2026-06-30 23:34 UTC, lasting 1 h 0 min. Snowflake implemented a fix and published an RCA link. _(machine-written, sol)_
## Timeline of updates

- **identified** 2026-06-30 22:34 UTC: Current status: We're investigating an issue with Snowsight authentication. We are seeing recovery as of 22:03 UTC and are continuing to monitor. We'll provide an update within 60 minutes. Customer experience: Customers may be unable to access Snowsight or may experience being logged out unexpectedly. All other Snowflake features are not impacted. ETA: We have taken action to address the issue and expect it to be resolved as of 22:03 UTC. Incident start time: 21:47 UTC June 30, 2026
- **monitoring** 2026-06-30 22:39 UTC: Current status: We've implemented the fix for this issue, and we'll continue to monitor the environment until we're confident all services are functioning properly. We'll provide another update within 60 minutes. Customer experience: Customers hosted in the specified region may have been unable to access Snowsight or may have experienced being logged out unexpectedly. All other Snowflake features were not impacted. Workaround: While we were focused on remediation, customers who were logged out needed to log back in to Snowsight. Incident start time: 21:47 UTC June 30, 2026 Incident end time: 22:03 UTC June 30, 2026 Preliminary root cause: A routine system configuration change caused authentication issues with Snowsight. Once identified, the configuration was reverted.
- **resolved** 2026-06-30 23:34 UTC: Current status: We've implemented the fix for this issue and monitored the environment to confirm that service was restored. If you experience additional issues or have questions, please open a support case via Snowflake Community or the Support page in Snowsight. Customer experience: Customers hosted in the specified region may have been unable to access Snowsight or may have experienced being logged out unexpectedly. All other Snowflake features were not impacted. Workaround: While we were focused on remediation, customers who were logged out needed to log back in to Snowsight. Incident start time: 21:47 UTC June 30, 2026 Incident end time: 22:03 UTC June 30, 2026 Preliminary root cause: A routine system configuration change caused authentication issues with Snowsight. Once identified, the configuration was reverted. A root cause analysis (RCA) will be conducted and a summary will be shared on the Snowflake status page within 5 business days.
- **postmortem** 2026-07-08 23:14 UTC: Snowflake Engineering has completed the postmortem of this service incident. A detailed Root Cause Analysis \\(RCA\\) is available on the Snowflake Community site: \[https://community.snowflake.com/s/article/INC20000063\](https://community.snowflake.com/s/article/INC20000063)

## Rewindex changes for this incident

- 2026-06-30 22:34 UTC: [Critical incident: INC20000063](https://rewindex.com/change/i0cd55a01c2716a.md)


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Canonical: https://rewindex.com/company/snowflake/incidents/rqkrpr2hf7f7 · Markdown: https://rewindex.com/company/snowflake/incidents/rqkrpr2hf7f7.md · JSON: https://rewindex.com/api/v1/companies/snowflake/incidents/rqkrpr2hf7f7 · Generated 2026-10-18T11:27:12.455Z