Changes / Snowflake / INC20000213
Snowflake: Critical incident: INC20000213
Summary
Snowflake reported a critical outage affecting intermittent Snowsight sign-ins in AWS - Europe (Frankfurt) and AWS - Asia Pacific (Tokyo). Customer impact reportedly began at 05:00 UTC September 11, 2026; the recorded incident lasted 6 h 0 min and resolved at 2026-09-11 13:19 UTC after a fix was applied and service restoration confirmed.
Machine-written from the diff below (Sol; type: incident outage). Check the diff before relying on it.
What changed
Before: not present
After: INC20000213
Before: not present
After: critical
Before: not present
After: postmortem
Before: not present
After: 2026-09-11 07:18 UTC
Before: not present
After: 2026-09-11 13:19 UTC
Before: not present
After: AWS - Asia Pacific (Tokyo) - Databases, Tables, and Views, AWS - Europe (Frankfurt) - Databases, Tables, and Views, Databases, Tables, and Views
Before: not present
After: Current status: We're investigating an issue with Snowflake Data Cloud. We'll provide an update within 30 minutes.
Customer experience: Customers hosted in the specified regions may be unable to access or use multiple core Snowflake services and features. Affected users may be unable to sign in, execute queries, or manage data.
Incident start time: 05:00 UTC September 11, 2026
Before: not present
After: Current status: We're continuing to investigate the issue with Snowflake Data Cloud. We'll provide another update within 30 minutes.
Customer experience: Customers hosted in the specified regions may be unable to access or use multiple core Snowflake services and features. Affected users may be unable to sign in, execute queries, or manage data.
ETA: An ETA is not yet available. We'll provide one as soon as possible.
Incident start time: 05:00 UTC September 11, 2026
Before: not present
After: Current status: We're continuing to investigate the issue with Snowflake Data Cloud. We'll provide another update within 60 minutes.
Customer experience: Customers hosted in the specified region may be unable to sign in to Snowsight, and may receive an error message such as "Something went wrong." This issue is intermittent and does not affect all users; affected users may also experience issues executing queries or managing data.
ETA: An ETA is not yet available. We'll provide one as soon as possible.
Incident start time: 05:00 UTC September 11, 2026
Before: not present
After: 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 60 minutes.
Customer experience: Customers hosted in the specified region may be unable to sign in to Snowsight, and may receive an error message such as "Something went wrong." This issue is intermittent and does not affect all users; affected users may also experience issues executing queries or managing data.
ETA: An ETA is not yet available. We'll provide one as soon as possible.
Incident start time: 05:00 UTC September 11, 2026
Before: not present
After: 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 specified region may have been unable to sign in to Snowsight, and may have receive an error message such as "Something went wrong." This issue was intermittent and did not affect all users; affected users may also have experienced issues executing queries or managing data.
Incident start time: 05:00 UTC September 11, 2026
Incident end time: 08:45 UTC September 11, 2026
Preliminary root cause: A configuration update to infrastructure components responsible for authorizing incoming network traffic caused the components to restrict this traffic.
Before: not present
After: Current status: We've identified additional impact in the AWS - Asia Pacific (Tokyo) region, in which we've applied the same fix for this issue. We'll continue to monitor the environment until we're confident all services are functioning properly.
Customer experience: Customers hosted in the specified regions may have been unable to sign in to Snowsight, and may have receive an error message such as "Something went wrong." This issue was intermittent and did not affect all users; affected users may also have experienced issues executing queries or managing data.
Incident start time: 05:00 UTC September 11, 2026
Incident end time: 11:15 UTC September 11, 2026
Preliminary root cause: A configuration update to infrastructure components responsible for authorizing incoming network traffic caused the components to restrict this traffic.
Before: not present
After: 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 regions may have been unable to sign in to Snowsight, and may have receive an error message such as "Something went wrong." This issue was intermittent and did not affect all users; affected users may also have experienced issues executing queries or managing data.
Incident start time: 05:00 UTC September 11, 2026
Incident end time: 11:15 UTC September 11, 2026
Preliminary root cause: A configuration update to infrastructure components responsible for authorizing incoming network traffic caused the components to restrict this traffic.
A root cause analysis (RCA) will be conducted and a summary will be made available within 5 business days.
Before: not present
After: 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/INC20000213](https://community.snowflake.com/s/article/INC20000213)
First version of this incident archived by Rewindex. View the live incident (opens in new tab).
History of this incident
| When (UTC) | Change | Kind |
|---|---|---|
| Critical incident: INC20000213 (this change) Snowflake reported a critical outage affecting intermittent Snowsight sign-ins in AWS - Europe (Frankfurt) and AWS - Asia Pacific (Tokyo). Customer impact reportedly began at 05:00 UTC September 11, 2026; the recorded incident lasted 6 h 0 min and resolved at 2026-09-11 13:19 UTC after a fix was applied and service restoration confirmed. | Major incident |
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