Fair enough, found the documentation: https://docs.aws.amazon.com/AWSEC2/latest/WindowsGuide/troubleshooting-sac.html https://docs.aws.amazon.com/AWSEC2/latest

Fair enough, found the documentation: https://docs.aws.amazon.com/AWSEC2/latest/WindowsGuide/troubleshooting-sac.html https://docs.aws.amazon.com/AWSEC2/latest/WindowsGuide/troub... It does require connecting to the working instance first and setting things up, which is less than ideal, but I get why it's the case. I guess I'm off to configure the Windows instances I care about, so I have a way to troubleshoot things in the future.