Companies / Snowflake / incidents
Snowflake: INC20000063
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 from the archived incident (Sol). Check the timeline before relying on it.
Affected components: ApplicationsAWS - US West (Oregon) - Applications
Timeline of updates
- identified
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
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
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
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
- Critical incident: INC20000063 2026-06-30 22:34 UTC
Impact, status and times are the vendor’s own, as last archived. View on stspg.io (opens in new tab). Snowflake profile · Recent Snowflake incidents · Markdown · JSON