It does launch an instance and take a snapshot but what's happening is the sysprep and OOBE stuff that can take 10 mins or so (you can find it in the console an

It does launch an instance and take a snapshot but what's happening is the sysprep and OOBE stuff that can take 10 mins or so (you can find it in the console and startup logs). That's a lot more overheard than just hydrating an EBS volume. https://docs.aws.amazon.com/AWSEC2/latest/WindowsGuide/win-ami-config-fast-launch.html#win-fast-launch-key-terms https://docs.aws.amazon.com/AWSEC2/latest/WindowsGuide/win-a...