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AWS EC2 Auto Scaling now supports Launch Before Terminate at account-level to replace instances

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AWS·Oct 26, 2026, 08:00 AMFeatureAI-assisted summary

Summary

Added account‑level Launch Before Terminate default for all Auto Scaling groups, ensuring replacement instances are healthy before termination
Introduced PutAccountSetting and DescribeAccountSettings APIs to enable or query the setting via console, CLI, or SDKs
Applies to instance refresh, rebalancing, health‑check and max‑instance‑lifetime replacements at no extra cost

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Official source Last checked Oct 27, 2026, 2:01 PM

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AI-assisted summarysource healthyLast checked Oct 27, 2026, 2:01 PM

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