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Updates (6)

Oct 4, 2026, 06:56 PM
Service is operating normally: [RESOLVED] Elevated packet loss
Between 8:48 AM and 11:28 AM PDT, we experienced elevated packet loss within a single Availability Zone (eus2-az1) in the EU-SOUTH-2 Region. This issue resulted in elevated API latencies and error rates for multiple workflows and AWS Services. We were automatically alerted to the issue at 8:54 AM, and immediately began work to identify the root cause while taking multiple parallel paths to mitigate the issue. By 10:00 AM, our mitigation efforts had led to some improvements. By 10:38 AM, we identified the root cause as related to a networking configuration change that we were able to revert the
Amazon Web Services ↗
Oct 4, 2026, 06:45 PM
Service impact: Elevated packet loss
We are seeing early signs of recovery. We will provide you with another update by 12:00 PM PDT.
Amazon Web Services ↗
Oct 4, 2026, 05:56 PM
Service impact: Elevated packet loss
We have identified the root cause and are currently focusing our mitigation efforts to drive full recovery. While we don't have an exact estimate for how long our current efforts will take, we do expect to see incremental improvements as our efforts proceed. We will provide you with another update by 11:45 AM PDT, or sooner if new information becomes available.
Amazon Web Services ↗
Oct 4, 2026, 05:06 PM
Service impact: Elevated packet loss
Our efforts to mitigate the elevated packet loss with a single Availability Zone (eus2-az1) in the EU-SOUTH-2 Region is still underway. We are seeing some signs of improvement as a result of multiple parallel efforts. We continue to work to confirm root cause and fully mitigate the issue. While we currently do not have an estimate for how long our actions will take, we will keep you informed of our progress and provide you with another update by 11:00 AM PDT or sooner as new information becomes available.
Amazon Web Services ↗
Oct 4, 2026, 04:36 PM
Service impact: Elevated packet loss
We are experiencing elevated packet loss with a single Availability Zone (eus2-az1) in the EU-SOUTH-2 Region. This issue is also resulting in elevated API latencies and error rates for other workflows and AWS Services. Engineers were automatically engaged and are working to identify the root cause and to mitigate the issue. We will provide you with another update by 10:15 AM PDT or sooner as new information becomes available.
Amazon Web Services ↗
Oct 4, 2026, 04:14 PM
Service impact: Elevated packet loss
We are investigating elevated packet loss in the EU-SOUTH-2 Region.
Amazon Web Services ↗

What to do next

Verify your own services recovered cleanly. Some upstream outages leave queues or caches in a degraded state, run smoke tests before declaring green internally.
Save the post-mortem. Vendors usually publish a detailed RCA 1-3 days later. We'll add it to this page when it appears.
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