Identify any failed Amazon EC2 Reserved Instances (RIs) available within your account and follow Cloud Conformity guidelines for remediation in order to receive a significant discount (up to 75% depending on the commitment term) for EC2 hourly charges. A failed AWS EC2 RI is an unsuccessful reservation that received the "payment-failed" status during the purchase process.
Reserved Instances represent a good strategy to cut down on AWS EC2 costs but to fully receive the discount benefit you need to make sure that all your EC2 reservation purchases have been successfully completed.
To identify any failed EC2 RI purchases available within your AWS account, perform the following actions:
To mitigate unsuccessful AWS EC2 reservations you need to retry your failed EC2 Reserved Instance(s) payment by contacting Amazon Web Services. To create the necessary case through the AWS Support Center, perform the following:Note 1: Failed AWS EC2 Reserved Instance (RI) purchases from previous billing periods cannot be retried.