Momentus experienced a major incident on October 20, 2025 affecting Momentus Enterprise, lasting 11h 34m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- monitoring Oct 20, 2025, 11:50 AM UTC
Following the AWS outage earlier today, most of our services are now operational. We are actively monitoring performance to ensure full stability across all systems. While AWS has reported significant recovery, we are still awaiting full resolution confirmation. In the meantime, users may experience intermittent performance issues or slowness. We’ll continue to provide updates as needed. Thank you for your continued patience.
- monitoring Oct 20, 2025, 11:50 AM UTC
We are continuing to monitor for any further issues.
- monitoring Oct 20, 2025, 01:09 PM UTC
We are actively monitoring performance to ensure full stability across all systems. While AWS has made significant progress, we are still awaiting full resolution confirmation. As a result, users may continue to experience performance degradation and slowness in some areas.
- monitoring Oct 20, 2025, 02:00 PM UTC
While AWS are still working to resolve this issue, we are still observing performance and slowness issues across parts of our system. We’ll continue to provide updates as needed. Thank you for your continued patience
- monitoring Oct 20, 2025, 03:14 PM UTC
We are still monitoring performance, our team is working to mitigate these effects and ensure a smooth return to full functionality.
- monitoring Oct 20, 2025, 04:00 PM UTC
AWS are still working to resolve this issue, we are still observing performance and slowness issues across parts of our system. We’ll continue to provide updates as needed. Thank you for your continued patience
- monitoring Oct 20, 2025, 04:53 PM UTC
AWS is working towards implementing a fix for the degraded performance that should mitigate and resolve the issues. In the meantime, we are continuing to work internally towards a resolution.
- monitoring Oct 20, 2025, 05:44 PM UTC
AWS continues to implement fixes to mitigate the performance issues and early tests are showing positive results in restoring connectivity. Once they have completed implementing these fixes, they expect launch errors and network connectivity issues to subside. We will provide more updates soon.
- monitoring Oct 20, 2025, 06:27 PM UTC
AWS continues to see progress within the mitigations that they are launching. They plan to provide another update by 12pm Pacific. Updates will be passed along as soon as we have them.
- monitoring Oct 20, 2025, 07:23 PM UTC
AWS continues to see improvement across the services that they have implemented their mitigation measures to, but there are still a few services that haven't been resolved yet. They are continuing to implement additional fixes to these services in the hopes of restoring them to their expected working state soon.
- monitoring Oct 20, 2025, 08:10 PM UTC
AWS continues to see improvement across the services that they have implemented their mitigation measures to. Error rates have slowed and continue to improve. Another update will be provided by 2:00 PM PDT.
- monitoring Oct 20, 2025, 08:58 PM UTC
AWS continues to implement their fixes and see improvement across the affected services and regions. They are also implementing monitoring to ensure that the services reach pre-event performance levels before declaring that the issue has been fully resolved. We will provide additional updates as we have them.
- monitoring Oct 20, 2025, 09:58 PM UTC
The latest update from AWS reveals that they are continuing to implement different aspects of their recovery and, while seeing improvements within some of the previously affected services, they have a backlog of events that they expect will be resolved in the next 2 hours. While they continue working on their end, our Site Reliability team at Momentus has noted that they are not observing any major impact on our services related to today’s AWS outage. We will continue to monitor the environment closely and provide updates.
- monitoring Oct 20, 2025, 11:22 PM UTC
AWS has confirmed that the earlier issues affecting multiple services have now been fully resolved. All impacted services have returned to normal operation, and performance has stabilized across the affected regions. Our Site Reliability team at Momentus has not observed any ongoing impact to our systems, and all services are functioning as expected. We will continue to monitor closely and share any follow-up information once AWS provides their post-event summary.
- resolved Oct 20, 2025, 11:24 PM UTC
This incident has been resolved.