SUMMARY
How to troubleshoot a failure of deployment
ISSUE
Please check the deployment status in Boomerang. If Boomerang shows an import failure, it is most likely that the guest OS in your VM is not supported.
Otherwise, please check the AWS Management Console by navigating to CloudFormation. Select your stack and check out the Events tab. The resource that failed to create are shown in red and you will find the corresponding Status Reason.