--- title: Troubleshooting HA RKE Add-On Install --- > #### **Important: RKE add-on install is only supported up to Rancher v2.0.8** > >Please use the Rancher Helm chart to install Rancher on a Kubernetes cluster. For details, see the [Kubernetes Install ](../getting-started/installation-and-upgrade/resources/helm-version-requirements.md). > >If you are currently using the RKE add-on install method, see [Migrating from a Kubernetes Install with an RKE Add-on](../getting-started/installation-and-upgrade/install-upgrade-on-a-kubernetes-cluster/upgrades/migrating-from-rke-add-on.md) for details on how to move to using the helm chart. This section contains common errors seen when setting up a Kubernetes installation. Choose from the following options: - [Generic troubleshooting](../getting-started/installation-and-upgrade/advanced-options/advanced-use-cases/helm2/rke-add-on/troubleshooting/generic-troubleshooting.md) In this section, you can find generic ways to debug your Kubernetes cluster. - [Failed to set up SSH tunneling for host](https://rancher.com/docs/rke/latest/en/troubleshooting/ssh-connectivity-errors/) In this section, you can find errors related to SSH tunneling when you run the `rke` command to setup your nodes. - [Failed to get job complete status](../getting-started/installation-and-upgrade/advanced-options/advanced-use-cases/helm2/rke-add-on/troubleshooting/job-complete-status.md) In this section, you can find errors related to deploying addons. - [404 - default backend](../getting-started/installation-and-upgrade/advanced-options/advanced-use-cases/helm2/rke-add-on/troubleshooting/404-default-backend.md) In this section, you can find errors related to the `404 - default backend` page that is shown when trying to access Rancher.