AWS - China (Ningxia): INC0145639
Incident
Report for Snowflake Operated by DCC
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 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: 00:45 UTC October 28, 2025
Incident end time: 02:35 UTC October 28, 2025
Preliminary root cause: A recent infrastructure update unexpectedly caused connectivity issues, which impacted multiple core Snowflake services and features.
A root cause analysis (RCA) document will be published within five business days.
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: 00:45 UTC October 28, 2025
Incident end time: 02:35 UTC October 28, 2025
Preliminary root cause: A recent infrastructure update unexpectedly caused connectivity issues, which impacted multiple core Snowflake services and features.
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: 00:45 UTC October 28, 2025
Incident end time: 02:35 UTC October 28, 2025
Preliminary root cause: A recent infrastructure update unexpectedly caused connectivity issues, which impacted multiple core Snowflake services and features.
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: 00:45 UTC October 28, 2025
Incident end time: 02:35 UTC October 28, 2025
Preliminary root cause: A recent infrastructure update unexpectedly caused connectivity issues, which impacted multiple core Snowflake services and features.
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 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.
ETA: Our current estimate is that service will be restored within 1 hours. In the meantime, we recommend that affected customers using replication initiate their failover procedures.
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: Our current estimate is that service will be restored within 1 hours. In the meantime, we recommend that affected customers using replication initiate their failover procedures.
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 experience degraded performance or delayed query results when managing or querying data. Queries may take longer than usual to complete, and affected users may see timeout errors.
Customer experience: Customers hosted in the specified regions may experience degraded performance or delayed query results when managing or querying data. Queries may take longer than usual to complete, and affected users may see timeout errors.
This incident affected: AWS - China (Ningxia) (Databases, Tables, and Views, Data Loading and Unloading).