ThousandEyes incident
Delays in Alerts from 3rd party providers and AWS Cloud Insight Configurations
Resolved after 20 hours 51 minutes, affecting Alert processing and Notification dispatching, on October 20, 2025.
All ThousandEyes services are operating normally. Our engineering team will continue to monitor before marking this as resolved.
Affected components
Update timeline
- investigating Oct 20, 2025, 09:53 AM UTC
Starting at 08:15 UTC several 3rd party providers such as Slack, Pagerduty, and AWS have reported issues and delays in functionality. Our engineering team is monitoring the issue and working on mitigations. At this time, all ThousandEyes functionality is behaving normally. Certain external functionality may be degraded, including: - Ability to create or update Cloud Insights integrations for AWS - Delayed or missing alerts via Slack, Pagerduty, or other integrations Our engineering team will continue to assess impact and provide updates.
- identified Oct 20, 2025, 11:02 AM UTC
Third party service providers are reporting their services are recovering, and we are seeing them recover too. The WAN Insights data pipeline has recovered and is operational again. Cloud Insights integrations with AWS can be created and updated as normal now. Our engineering team will continue to monitor and provide updates.
- monitoring Oct 20, 2025, 12:17 PM UTC
All ThousandEyes services are operating normally. Our engineering team will continue to monitor before marking this as resolved.
- identified Oct 20, 2025, 03:03 PM UTC
Our monitoring has identified an elevated rate of errors in the AWS us-east-1 region. There is no known impact to ThousandEyes customers at this time. Our engineering team will continue to monitor and provide updates.
- identified Oct 20, 2025, 08:23 PM UTC
Certain functionality may be degraded, including: - Ability to create or update Cloud Insights integrations for AWS - Delayed or missing alerts via Slack, Pagerduty, or other integrations - WAN Insights pages are currently not accessible Normal function will return once the AWS US-East-1 Region has fully recovered
- monitoring Oct 20, 2025, 11:23 PM UTC
All ThousandEyes services are operating normally. Our engineering team will continue to monitor before marking this as resolved.
- resolved Oct 21, 2025, 06:45 AM UTC
This incident has been resolved.
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Amazon Web Services