Snowflake Status

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.

Customer experience: Customers hosted in the specified regions may have been unable to access or use multiple core Snowflake services and features. Affected users may have been unable to sign in, execute queries, or manage data.

Incident start time: 19:50 UTC November 20, 2025 Incident end time: 21:15 UTC November 20, 2025

Preliminary root cause: Our investigation identified that a recent configuration change to our firewall rules resulted in a communication issue between our Cloud Services and Storage layer infrastructure. As a result, customer requests were unable to be processed successfully.

A root cause analysis (RCA) document will be published within five business days.

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 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: 19:50 UTC November 20, 2025 Incident end time: 21:15 UTC November 20, 2025

Preliminary root cause: Our investigation identified that a recent configuration change to our firewall rules resulted in a communication issue between our Cloud Services and Storage layer infrastructure. As a result, customer requests were unable to be processed successfully.

Investigating: Current status: We're continuing to investigate the issue with Snowflake Data Cloud. In the meantime, we recommend that affected customers using replication initiate their failover procedures. We'll provide another update within 60 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: 19:50 UTC November 20, 2025

Investigating: Current status: We're investigating an issue with Snowflake Data Cloud. We'll provide an update within 60 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: 19:50 UTC November 20, 2025

Resolved: Current status: We've rolled back the configuration change 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.

Customer experience: Customers hosted in the specified regions may have been unable to access Snowpark Container Services services that expose public ingress endpoints. Affected customers saw a certificate error.

Workaround: Affected customers could have worked around the issue by bypassing Transport Layer Security (TLS) verification.

Incident start time: 04:13 UTC November 19, 2025 Incident end time: 06:18 UTC November 19, 2025

Preliminary root cause: A configuration change for optimizing our infrastructure was incorrectly implemented, which caused a certificate error.

A root cause analysis (RCA) document will be published within five business days.