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I configured the specific network subnet in EC2 launch template settings and solved the issue.
I'm wondering if the subnet you're using is in a VPC that is in the legacy EC2-Classic and not EC2-VPC mode.
If your VPC is not in legacy EC2-Classic, are you using a default or non-default VPC?
More information: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-classic-platform.html
Also note when using Application Migration Service, the EC2 launch template does not automatically set a specific Subnet. Thus, if not specified, it will try to launch in a subnet as part of that default VPC. If the default VPC is removed, EC2 will fail to launch any instance if there's no valid subnet specified.
hi,
check this link: https://repost.aws/questions/QUSHdeDSOQSMyZ_gMfl4fKaw/failing-to-launch-test-cutover-instance-with-public-ip
You can take this AWS MGN course. https://explore.skillbuilder.aws/learn/course/10266/play/36467/aws-application-migration-service-technical
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- 已提問 6 個月前
AWS 官方已更新 1 年前
Thanks jsonc. The Application Migration Services does have a public subnet specified in the template which is in a EC2-VPC, and a non-default VPC. In fact, there is no default VPC at all configured in the region I'm trying to migrate the machine, so it must have been removed at some point. I've also tried configured different public subnets from different VPCs in order to launch the test instance, but all fail with the same error code.
I could probably try to re-create the default VPC and see how that works.
hello mrex - were you able to resolve this issue? I'm also getting the same error. Any suggestions? or steps you followed to resolve it?