# INC20000217

- Provider: [Snowflake](https://down.guide/snowflake)
- Level: confirmed
- Impact: Partial outage
- lasted 1h 21m
- started 2026-09-14 04:48 UTC
- Databases, Tables, and Views, Databases, Tables, and Views, Databases, Tables, and Views +3
- id: DWN-65751d5b7f
- Official page: https://stspg.io/l0wx56h7s2gh

## Updates from Snowflake
### 2026-09-14 04:48 UTC: investigating
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

### 2026-09-14 05:18 UTC: identified
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

### 2026-09-14 05:40 UTC: 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.
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.

### 2026-09-14 06:09 UTC: 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 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.

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