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Windows Image Optimization State is enabling-failed

1

Hello!

We've read about the new Launch Speed Optimizations for Windows Server (https://aws.amazon.com/about-aws/whats-new/2022/01/aws-speed-optimizations-windows-instances-ec2/ ) and wanted to try it out, as it really fits our use-case.

However, on every Image we enable the optimizations spins up several t3 instances for like half an hour and then ends up in an enabling-failed state. Our image is Windows Server based and usually runs on g5.

Greetings Dominique

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Générateur d’images EC2Amazon EC2Approvisionnement de Windows
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DS-MHD
demandé il y a 2 ans475 vues
2 réponses
1

Is your Windows AMI created using sysprep? Does your AMI support user data execution on launch? The Fast launch feature launches t3 based instances when enabled to create fast-launch snapshots. Once these snapshots are created, the t3 instances are terminated. The fast-launch snapshots are eventually used to speed up your instances launched from the enabled AMI. The feature may go to enabling-failed if the instance does not support user data execution. Happy to work with you to debug further.

AWS
AWS-User-4398814
répondu il y a 2 ans
1

Hi! I figured out the problem with AWS Support - the instance's boot volume did not have enough free space to complete the sysprep procedure. Apparently one needs to make sure that at least 2 * the user profile fits.

(answering from my IAM account)

Dominique Sandoz
répondu il y a 2 ans

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