When attempting to upgrade or install a ZCA in AWS running 7.5, the following error is presented:
There is no IAM Role attached to the ZCA.
1) Login to the AWS Portal.
2) Open the EC2 Dashboard.
3) Right click on the ZCA EC2 instance.
4) Select Instance Settings -> Attach/Replace IAM Role.
5) Follow the wizard to attach the necessary IAM Role.
6) If no IAM Roles exist, follow the steps to create an IAM Role with the necessary permissions as outlined on Page 32 of the Zerto Installation Guide for AWS.