AWS - China (Ningxia): INC0155757
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 or the Support page in Snowsight.
Customer experience: Customers hosted in the specified regions may have been unable to access or use Snowflake services and features using Snowsight.
Incident start time: 06:32 UTC April 20, 2026
Incident end time: 09:00 UTC April 20, 2026
Preliminary root cause: A subset of infrastructure responsible for routing Snowsight serving traffic entered an unexpected, degraded state, causing performance degradation or an inability to access Snowsight.
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 Snowflake services and features using Snowsight.
Incident start time: 06:32 UTC April 20, 2026
Incident end time: 09:00 UTC April 20, 2026
Preliminary root cause: A subset of infrastructure responsible for routing Snowsight serving traffic entered an unexpected, degraded state, causing performance degradation or an inability to access Snowsight.
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 have been unable to access or use Snowflake services and features using Snowsight.
Incident start time: 07:20 UTC April 20, 2026
Incident end time: 08:00 UTC April 20, 2026
Preliminary root cause: A subset of infrastructure responsible for routing Snowsight serving traffic entered an unexpected, degraded state, causing performance degradation or an inability to access Snowsight.
Customer experience: Customers hosted in the specified regions may have been unable to access or use Snowflake services and features using Snowsight.
Incident start time: 07:20 UTC April 20, 2026
Incident end time: 08:00 UTC April 20, 2026
Preliminary root cause: A subset of infrastructure responsible for routing Snowsight serving traffic entered an unexpected, degraded state, causing performance degradation or an inability to access Snowsight.
Identified
Current status: We've confirmed that this issue impacts service. After identifying a subset of routing infrastructure that had entered a degraded state, we're performing a series of restarts. Affected services are beginning to resume as these restarts continue. We'll provide another update within 60 minutes.
Customer experience: Customers hosted in the specified regions may be unable to access or use Snowflake services and features using Snowsight.
ETA: Our current estimate is that service will be restored within 60 minutes.
Incident start time: 07:20 UTC April 20, 2026
Customer experience: Customers hosted in the specified regions may be unable to access or use Snowflake services and features using Snowsight.
ETA: Our current estimate is that service will be restored within 60 minutes.
Incident start time: 07:20 UTC April 20, 2026
Update
Current status: We're continuing to investigate the issue with Snowflake Data Cloud. At this time, the investigation is focused on a subset of the routing infrastructure that has entered an unexpected state. We'll provide another update within 60 minutes.
Customer experience: Customers hosted in the specified regions may be unable to access or use Snowflake services and features using Snowsight.
Incident start time: 07:20 UTC April 20, 2026
Customer experience: Customers hosted in the specified regions may be unable to access or use Snowflake services and features using Snowsight.
Incident start time: 07:20 UTC April 20, 2026
Investigating
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 Snowflake services and features using Snowsight.
Incident start time: 07:20 UTC April 20, 2026
Customer experience: Customers hosted in the specified regions may be unable to access or use Snowflake services and features using Snowsight.
Incident start time: 07:20 UTC April 20, 2026
This incident affected: AWS - China (Ningxia) (Applications).