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EC2Launch

EC2Launch is an Amazon Windows instance launch agent that performs tasks during the initial boot such as setting the computer name, configuring networking routes, setting administrator passwords, and executing user data scripts. It replaces the older EC2Config service for Windows instances.
Latest: 2.5.0.0
Last checked: Mar 15, 2026 10:05pm
Rank: 592/15140
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Overview

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License: Proprietary (Amazon Web Services)Winget: Available

Version & Lifecycle

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Current: 2.5.0.0 N-2: 2.3.237.0 Avg cadence: Every 47 days

Top Contributors

Top sitewide contributors:

  1. Anbarasan
  2. nico_k
  3. Bob
  4. Vigneshwaran

Community Notes

Command-line note • February 5, 2026
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EC2Launch – Command-line note

To silently install EC2Launch v2 in enterprise deployments, use MsiExec.exe /i AmazonEC2Launch.msi /qn from an elevated command prompt. For custom configurations, edit the agent-config.yml file at C:ProgramDataAmazonEC2Launchconfigagent-config.yml post-install to define boot, preReady, and postReady tasks like extending root partitions or setting wallpapers, then validate with ec2launch validate.

Release Notes & Updates

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EC2Launch

Notes

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EC2Launch is used primarily on Windows EC2 instances to automate instance setup tasks during boot. It supports user data scripts and maintains backward compatibility with EC2Config tasks.