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Elastic Cloud change history: Elastic Agent enrollment/check-in failures on 9.5.3 (and 9.4.6) with Fleet remote Elasticsearch output
| When (UTC) | Change | Kind |
|---|---|---|
| Major incident: Elastic Agent enrollment/check-in failures on 9.5.3 (and 9.4.6) with Fleet remote Elasticsearch output A major incident caused Elastic Agents using Fleet's remote Elasticsearch output to crash-loop or fail enrollment/check-in after configuration updates on Fleet Server 9.5.3 and 9.4.6. It ran from 2026-09-09 20:44 UTC to 2026-09-17 10:30 UTC (7 days 13 h). Corrected releases 9.5.4 / 9.4.6 fixed the issue; all known affected deployments recovered. | Major incident |