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Add note on restricted-admin to upgrade section

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Catherine Luse
2020-10-05 18:11:05 -07:00
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content/rancher/v2.x/en/installation/install-rancher-on-k8s/upgrades-rollbacks/upgrades/ha/_index.md
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@@ -14,6 +14,7 @@ If you installed Rancher using the RKE Add-on yaml, follow the directions to [mi
>**Notes:**
>
> If you are upgrading from a Rancher server that was started with the Helm chart option `--add-local=false`, you will need to drop that flag when upgrading. Otherwise, the Rancher server will not start. The `restricted-admin` role can be used to continue restricting access to the local cluster. For more information, see [this section.]({{<baseurl>}}/rancher/v2.x/en/admin-settings/rbac/global-permissions/#upgrading-from-rancher-with-a-hidden-local-cluster)
> - [Let's Encrypt will be blocking cert-manager instances older than 0.8.0 starting November 1st 2019.](https://community.letsencrypt.org/t/blocking-old-cert-manager-versions/98753) Upgrade cert-manager to the latest version by following [these instructions.]({{<baseurl>}}/rancher/v2.x/en/installation/options/upgrading-cert-manager)
> - The upgrade instructions assume you are using Helm 3. For migration of installs started with Helm 2, refer to the official [Helm 2 to 3 migration docs.](https://helm.sh/blog/migrate-from-helm-v2-to-helm-v3/) The [Helm 2 upgrade page here]({{<baseurl>}}/rancher/v2.x/en/upgrades/upgrades/ha/helm2) provides a copy of the older upgrade instructions that used Helm 2, and it is intended to be used if upgrading to Helm 3 is not feasible.
> - If you are upgrading Rancher from v2.x to v2.3+, and you are using external TLS termination, you will need to edit the cluster.yml to [enable using forwarded host headers.]({{<baseurl>}}/rancher/v2.x/en/installation/options/chart-options/#configuring-ingress-for-external-tls-when-using-nginx-v0-25)