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Title
Why do I receive a CloudWatch alert indicating an AMI ID does not exist?
CloudWatch shows an error similar to the following:

"eventType": "AwsApiCall",
"error": {
"kind": "Client.InvalidAMIID.NotFound",
"message": "The image id '[ami-xxxxx]' does not exist"
},

 
Why is this alert appearing?
Solution
This alert can occur when your AWS account contains Amazon Machine Images (AMIs) linked to resources that are not managed by Flexera. Flexera periodically scans all AWS regions within each connected account to identify potential savings opportunities. During this scan:
  • If Flexera encounters an AMI reference that no longer exists,
  • Or the AMI belongs to an unmanaged resource,
AWS returns the Client.InvalidAMIID.NotFound message.
 
This behavior is expected and does not indicate an issue with application functionality.

Resolution / Recommended Action

No action is required within Flexera. However, if you want to prevent these alerts, you can:
  • Review the AWS resources referencing the missing AMI.
  • Remove or update any outdated AMI IDs.
  • Clean up unused or deprecated resources in your AWS environment.

Additional Notes

The related findings are visible in the Optimization dashboard, which displays discovered resources and savings opportunities across regions.
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Why do I receive a CloudWatch alert indicating an AMI ID does not exist?