Verify that your environment meets the system requirements for protecting Amazon EC2 instances with Commvault, and then complete the necessary setup in the Commvault software.
Implement one of the following authentication methods:
Configure an access node to use an IAM role for authentication.
To use an access key and secret key, obtain a key pair (access key and secret key) from the Amazon EC2 website section on Security Credentials.
To use an (Security Token Service) STS assume role with IAM policy, obtain the STS (Amazon Resource Name) ARN from the Amazon EC2 website section on IAM roles.