Merge pull request #284127 from alt-key/docs-editor/system-requirements-1723164789

add azure rbac arm64 no support

Author: prmerger-automator[bot]

articles/azure-arc/kubernetes/system-requirements.md

@@ -19,10 +19,9 @@ You must also have a [kubeconfig file](https://kubernetes.io/docs/concepts/confi
 The cluster must have at least one node with operating system and architecture type `linux/amd64` and/or `linux/arm64`.
 
 > [!IMPORTANT]
-> Many Arc-enabled Kubernetes features and scenarios are supported on ARM64 nodes, such as [cluster connect](cluster-connect.md) and [viewing Kubernetes resources in the Azure portal](kubernetes-resource-view.md). However, if using Azure CLI to enable these scenarios, [Azure CLI must be installed](/cli/azure/install-azure-cli) and run from an AMD64 machine.
->
+> Many Arc-enabled Kubernetes features and scenarios are supported on ARM64 nodes, such as [cluster connect](cluster-connect.md) and [viewing Kubernetes resources in the Azure portal](kubernetes-resource-view.md). However, if using Azure CLI to enable these scenarios, [Azure CLI must be installed](/cli/azure/install-azure-cli) and run from an AMD64 machine. Azure RBAC on Arc-enabled Kubernetes is currently not supported on ARM64 nodes. Please use [Kubernetes RBAC](identity-access-overview.md#kubernetes-rbac-authorization) for ARM64 nodes. 
+> 
 > Currently, Azure Arc-enabled Kubernetes [cluster extensions](conceptual-extensions.md) aren't supported on ARM64-based clusters, except for [Flux (GitOps)](conceptual-gitops-flux2.md). To [install and use other cluster extensions](extensions.md), the cluster must have at least one node of operating system and architecture type `linux/amd64`.
-
 ## Compute and memory requirements
 
 The Arc agents deployed on the cluster require: