Changes / Snowflake / INC20000182
Snowflake: Major incident: INC20000182
Summary
Snowflake reported a major outage affecting private connectivity, including PrivateLink, in Azure - Australia East (New South Wales), Azure - Central India (Pune), and Azure - Central US (Iowa), causing connection errors or timeouts. It ran from 2026-08-27 19:05 UTC to 2026-08-27 20:26 UTC (1 h 20 min); Snowflake implemented a fix and confirmed service restoration.
Machine-written from the diff below (Sol; type: incident outage). Check the diff before relying on it.
What changed
Before: not present
After: INC20000182
Before: not present
After: major
Before: not present
After: postmortem
Before: not present
After: 2026-08-27 19:05 UTC
Before: not present
After: 2026-08-27 20:26 UTC
Before: not present
After: Azure - Australia East (New South Wales) - Security and Privacy Features, Azure - Central India (Pune) - Security and Privacy Features, Azure - Central US (Iowa) - Security and Privacy Features, Security and Privacy Features
Before: not present
After: Current status: We're investigating an issue with Snowflake Data Cloud. We'll provide an update within 1 hour.
Customer experience: Customers hosted in the specified regions may experience connectivity issues when attempting to connect to Snowflake via private connectivity solutions, such as PrivateLink. Users may encounter connection errors or timeouts.
Before: not present
After: Current status: We've identified the source of the issue, and we're implementing a fix to restore service. We'll provide another update within 1 hour.
Customer experience: Customers hosted in the specified regions may experience connectivity issues when attempting to connect to Snowflake via private connectivity solutions, such as PrivateLink. Users may encounter connection errors or timeouts.
ETA: Our current estimate is that service will be fully restored within 1 hour.
Incident start time: 18:21 UTC August 27, 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 regions may have experienced connectivity issues when attempting to connect to Snowflake via private connectivity solutions, such as PrivateLink. Affected users may have encountered connection errors or timeouts.
Incident start time: 18:21 UTC August 27, 2026
Incident end time: 19:34 UTC August 27, 2026
Preliminary root cause: A recent change intended to improve load balancer infrastructure health checks inadvertently introduced a configuration issue, which affected how private connectivity traffic was processed and resulted in connection failures. Once identified, we cycled the unhealthy infrastructure, restoring service.
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 experienced connectivity issues when attempting to connect to Snowflake via private connectivity solutions, such as PrivateLink. Affected users may have encountered connection errors or timeouts.
Incident start time: 18:21 UTC August 27, 2026
Incident end time: 19:34 UTC August 27, 2026
Preliminary root cause: A recent change intended to improve load balancer infrastructure health checks inadvertently introduced a configuration issue, which affected how private connectivity traffic was processed and resulted in connection failures. Once identified, we cycled the unhealthy infrastructure, restoring service.
A root cause analysis (RCA) will be conducted and a summary will be shared on the Snowflake status page 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/INC20000182](https://community.snowflake.com/s/article/INC20000182)
First version of this incident archived by Rewindex. View the live incident (opens in new tab).
History of this incident
| When (UTC) | Change | Kind |
|---|---|---|
| Major incident: INC20000182 (this change) Snowflake reported a major outage affecting private connectivity, including PrivateLink, in Azure - Australia East (New South Wales), Azure - Central India (Pune), and Azure - Central US (Iowa), causing connection errors or timeouts. It ran from 2026-08-27 19:05 UTC to 2026-08-27 20:26 UTC (1 h 20 min); Snowflake implemented a fix and confirmed service restoration. | Major incident |
All Snowflake changes → · Snowflake profile · Markdown · JSON