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INCIDENT RESOLVED

Elastic Cloud

✓

Elastic Agent enrollment/check-in failures on 9.5.3 (and 9.4.6) with Fleet remote Elasticsearch output

Updated

Resolved 20:44Started 2Timeline events

Confirmed by the official source.

Executive summary

  • Summary

    Elastic Cloud has identified a disruption affecting some Elastic Agent enrollment and check-in operations for Fleet configurations using remote Elasticsearch output on Fleet Server 9.5.3 and 9.4.6.

What users experienced

  • User impact

    Affected Elastic Agents may crash-loop and go offline when Fleet pushes enrollment, policy, or routine configuration updates.

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Started

20:449 Sep 2026
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Timeline events

2View timeline →

Timeline of the incident

  1. Detection

    Confirmed by an official service source.

  2. Resolution

    The service is no longer reporting this incident as active.

What we know

  • ✓The disruption affects policies using Fleet's remote Elasticsearch output feature.
  • ✓Elastic Cloud reports corrected releases deployed on September 10, 2026 at 21:20 UTC.
  • ✓Deployments upgraded before that time may require an Integration Server restart and cleanup procedures for affected agents.
  • ✓The patched Fleet Server is not available outside Elastic Cloud Enterprise Stack Packs and Elastic Cloud Hosted.