Applies to NetApp HCI NetApp Hybrid Cloud Control (HCC) Management Service 2.16.66 Issue HCC Dashboard display error banner : ClusterName cannot be reached causing some information to be unavailable. ...Applies to NetApp HCI NetApp Hybrid Cloud Control (HCC) Management Service 2.16.66 Issue HCC Dashboard display error banner : ClusterName cannot be reached causing some information to be unavailable. Check the power state and Network connectivity for all the node and ensure in your hypervisor that the witness node virtual machine is powered on if applicable .