# Dynatrace: Performance issue in East US Azure environments

- Impact (vendor’s label): major
- Status: resolved
- Started: 2026-09-14 13:35 UTC · Resolved: 2026-09-14 16:40 UTC · Duration: 3.1 h
- Updates: 4 · Affected components: Dynatrace Product
- [Vendor status page: https://dynatrace.status.io/pages/incident/546d8cb6af8407b6730000cb/6aa7f81e448794056d0c3634](https://dynatrace.status.io/pages/incident/546d8cb6af8407b6730000cb/6aa7f81e448794056d0c3634)
- [Company: Dynatrace](https://rewindex.com/company/dynatrace.md)

## Summary

Dynatrace reported a major performance issue in East US Azure environments, with metric-processing latency, potentially slower UI responsiveness and reduced alert generation, including metric events and anomaly detection. It started at 2026-09-14 13:35 UTC and was resolved at 2026-09-14 16:40 UTC, lasting 3 h 5 min; mitigation measures restored stable performance. _(machine-written, sol)_
## Timeline of updates

- **investigating** 2026-09-14 13:35 UTC: We are investigating a performance issue affecting Azure environments in the East US region. Increased latency is impacting metric processing and may also result in slower-than-normal user interface responsiveness. Customers may experience reduced alert generation, including metric events and anomaly detection. We are currently evaluating mitigation measures to restore normal service performance and will provide further updates as more information becomes available. We apologize for the inconvenience.
- **monitoring** 2026-09-14 13:54 UTC: We have identified the cause of a performance issue affecting Azure environments in the East US region. Mitigation measures have been applied, and service levels are returning to normal. We are continuing to monitor the environment closely to ensure ongoing stability and will provide the next update within one hour or sooner if significant new information becomes available. We apologize for the inconvenience.
- **monitoring** 2026-09-14 14:54 UTC: We continue to observe stable performance across Azure environments in the East US region following the mitigation measures previously implemented. Service levels remain within expected thresholds, and no new issues have been identified. Given the positive recovery trend, our next update will be provided within two hours, or sooner if any significant new information becomes available. We apologize for the inconvenience and appreciate your patience while we continue to monitor the environment closely.
- **resolved** 2026-09-14 16:40 UTC: Service performance has remained stable across Azure environments in the East US region following the mitigation measures implemented by our teams. We have observed sustained recovery, and all monitored service indicators are operating within expected thresholds. We will continue routine monitoring, but no further customer impact has been observed, and this incident is now considered resolved. We apologize for the inconvenience caused and appreciate your patience throughout this event.

## Rewindex changes for this incident

- 2026-09-14 13:35 UTC: [Major incident: Performance issue in East US Azure environments](https://rewindex.com/change/i56457a2711e28b.md)


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Canonical: https://rewindex.com/company/dynatrace/incidents/6aa7f81e448794056d0c3634 · Markdown: https://rewindex.com/company/dynatrace/incidents/6aa7f81e448794056d0c3634.md · JSON: https://rewindex.com/api/v1/companies/dynatrace/incidents/6aa7f81e448794056d0c3634 · Generated 2026-10-18T11:43:19.097Z