Common Problems
Common issues that occur with solutions
You are not authorized to perform this operation
Instance Not Found
Your quota allows for 0 more running instance(s). You requested at least 1
An error occurred creating the image.
Cannot create more than 50 manual snapshots
Maximum allowed active snapshot limit exceeded
Maximum number of snapshots, 10000, already exist.
AMI name <some name> is already in use by AMI ami-12345678
EC2 instance starts but immediately stops
Encrypted EBS Snapshots Fail to Copy
Windows Server Unexpected Shutdown Prompt
Fixing Windows Shutdown and Reboot Problems on Nitro Instances
The snapshot requires a target option group with the following options: [Timezone]
Encrypted source snapshot: <snapshot ARN> cannot be copied because it does not exist in your account
The KMS key encrypting source snapshot <snapshot ID> doest not exist, is not enabled or you do not have permissions to access it.
The target snapshot KMS key <KMS key ARN> does not exist, is not enabled or you do not have permissions to access it.
Insufficient capacity
Failed to Create EC2 Instance Export Task
Given key ID is not accessible
Encrypted snapshots with EBS default key cannot be shared