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AWS Systems Manager now diagnoses more issues that cause EC2 instances to be unmanaged

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AWS·Sep 9, 2026, 08:00 AMFeatureAI-assisted summary

Summary

Systems Manager now diagnoses six additional issue categories (IAM permissions, SSM Agent version, instance status checks, OS configuration, default host management config, hybrid activation) beyond network connectivity.
Each diagnosed issue includes step‑by‑step remediation guidance and optional Automation runbooks for direct remediation.
Feature is available in all default‑enabled AWS regions; Automation runbook usage incurs standard Automation charges.

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Official source Last checked Sep 20, 2026, 3:04 PM

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