# Snowflake: INC20000217

- Impact (vendor’s label): major
- Status: resolved
- Started: 2026-09-14 04:48 UTC · Resolved: 2026-09-14 06:09 UTC · Duration: 1.4 h
- Updates: 4 · Affected components: AWS - Asia Pacific (Jakarta) - Databases, Tables, and Views, Databases, Tables, and Views, Azure - Australia East (New South Wales) - Databases, Tables, and Views, Databases, Tables, and Views, AWS - Asia Pacific (Tokyo) - Databases, Tables, and Views, Databases, Tables, and Views, AWS - Asia Pacific (Sydney) - Databases, Tables, and Views, Databases, Tables, and Views, AWS - Asia Pacific (Singapore) - Databases, Tables, and Views, Databases, Tables, and Views, AWS - US East (Ohio) - Databases, Tables, and Views, Databases, Tables, and Views
- [Vendor status page: https://stspg.io/l0wx56h7s2gh](https://stspg.io/l0wx56h7s2gh)
- [Company: Snowflake](https://rewindex.com/company/snowflake.md)

## Summary

Snowflake reported a major outage affecting Databases, Tables, and Views, causing delayed sign-ins, SSO login loops, query execution failures, and data-management errors. The incident ran from 2026-09-14 04:48 UTC to 2026-09-14 06:09 UTC (1 h 21 min); Snowflake implemented a fix and confirmed service restoration. _(machine-written, sol)_
## Timeline of updates

- **investigating** 2026-09-14 04:48 UTC: Current status: We're investigating an issue with Snowflake Data Cloud. We'll provide an update within 1 hour. Customer experience: Customers in the affected regions may experience performance degradation or issues logging into Snowflake, including delayed sign-ins, query execution failures, and errors managing data. ETA: An ETA is not yet available. We'll provide one as soon as possible. In the meantime, we recommend that affected customers using replication initiate their failover procedures. Workaround: There are currently no available workarounds for this issue. Incident start time: 23:35 UTC September 13, 2026
- **identified** 2026-09-14 05:18 UTC: Current status: We've identified the source of the issue, and we're developing and implementing a fix to restore service. We'll provide another update within 1 hour. Customer experience: Customers hosted in the affected deployments may experience performance degradation or issues logging into Snowflake, including delayed sign-ins, and SSO login loops. ETA: An ETA is not yet available. We'll provide one as soon as possible. In the meantime, we recommend that affected customers using replication initiate their failover procedures. Workaround: There are currently no available workarounds for this issue. Incident start time: 23:35 UTC September 13, 2026
- **monitoring** 2026-09-14 05:40 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. Customer experience: Customers hosted in the affected deployments may have experienced performance degradation or issues logging into Snowflake, including delayed sign-ins, and SSO login loops. Incident start time: 23:35 UTC September 13, 2026 Incident end time: 05:18 UTC September 14, 2026 Preliminary root cause: An update intended to improve authentication handling caused a subset of single sign-on (SSO) sign-in attempts across multiple regions to fail or loop, preventing affected users from logging in to Snowflake.
- **resolved** 2026-09-14 06:09 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 affected deployments may have experienced performance degradation or issues logging into Snowflake, including delayed sign-ins, and SSO login loops. Incident start time: 22:22 UTC September 13, 2026 Incident end time: 05:18 UTC September 14, 2026 Preliminary root cause: An update intended to improve authentication handling caused a subset of single sign-on (SSO) sign-in attempts across multiple regions to fail or loop, preventing affected users from logging in to Snowflake. A root cause analysis (RCA) will be conducted and a summary will be made available within 5 business days.

## Rewindex changes for this incident

- 2026-09-14 04:48 UTC: [Major incident: INC20000217](https://rewindex.com/change/ib458f1489b1c9b.md)


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Canonical: https://rewindex.com/company/snowflake/incidents/8c1snlr8gskb · Markdown: https://rewindex.com/company/snowflake/incidents/8c1snlr8gskb.md · JSON: https://rewindex.com/api/v1/companies/snowflake/incidents/8c1snlr8gskb · Generated 2026-10-18T11:35:01.427Z