Azure - Australia East (New South Wales): INC0147071
Incident
Report for Snowflake
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.
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.
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.
Update
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
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
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
This incident affected: Azure - Australia East (New South Wales) (Databases, Tables, and Views).