Policy: AmazonSSMManagedEC2InstanceDefaultPolicy ARN: arn:aws:iam::aws:policy/AmazonSSMManagedEC2InstanceDefaultPolicy Allowed Actions Actions Services ec2messages:AcknowledgeMessage ec2messages ec2messages:DeleteMessage ec2messages ec2messages:FailMessage ec2messages ec2messages:GetEndpoint ec2messages ec2messages:GetMessages ec2messages ec2messages:SendReply ec2messages ssm:DescribeAssociation ssm ssm:DescribeDocument ssm ssm:GetDeployablePatchSnapshotForInstance ssm ssm:GetDocument ssm ssm:GetManifest ssm ssm:ListAssociations ssm ssm:ListInstanceAssociations ssm ssm:PutComplianceItems ssm ssm:PutConfigurePackageResult ssm ssm:PutInventory ssm ssm:UpdateAssociationStatus ssm ssm:UpdateInstanceAssociationStatus ssm ssm:UpdateInstanceInformation ssm ssmmessages:CreateControlChannel ssmmessages ssmmessages:CreateDataChannel ssmmessages ssmmessages:OpenControlChannel ssmmessages ssmmessages:OpenDataChannel ssmmessages