https://community.cloudera.com/t5/Support-Questions/Cluster-creation-failed-on-Cloudbreak-hosted-on-AWS/m-p/242428#M204229 <A rel="user" href="https://community.cloudera.com/users/102443/pushpaknandi.html" nodeid="102443">@Pushpak Nandi</A><P>According to the AWS <A href="https://docs.aws.amazon.com/autoscaling/ec2/userguide/autoscaling-service-linked-role.html#create-service-linked-role">documentation</A>, this might be your issue:</P><P><EM>"Amazon EC2 Auto Scaling creates the <CODE>AWSServiceRoleForAutoScaling</CODE> service-linked role for you the first time that you create an Auto Scaling group but do not specify a different service-linked role.</EM></P><P><EM>Make sure that you have enabled the IAM permissions that allow an IAM entity (such as a user, group, or role) to create the service-linked role. Otherwise, the automatic creation fails. For more information, see <A href="https://docs.aws.amazon.com/IAM/latest/UserGuide/using-service-linked-roles.html#service-linked-role-permissions">Service-Linked Role Permissions</A> in the IAM User Guide or the information about <A href="https://docs.aws.amazon.com/autoscaling/ec2/userguide/control-access-using-iam.html#required-permissions">required user permissions</A> in this guide."<BR /></EM></P><P>Hope this helps!</P> Thu, 24 Jan 2019 17:11:00 GMT darvasip 2019-01-24T17:11:00Z