Merge pull request #79914 from dfitzmau/OCPBUGS-37863

/lgtm merging OCPBUGS-37863: Documented a private infra notice for ARO

Author: JoeAldinger

modules/installing-private-image-registry-private-azure.adoc

@@ -7,6 +7,12 @@
 = Optional: Preparing a private Microsoft Azure cluster for a private image registry
 
 By installing a private image registry on a private Microsoft Azure cluster, you can create private storage endpoints. Private storage endpoints disable public facing endpoints to the registry's storage account, adding an extra layer of security to your {product-title} deployment.
+
+[IMPORTANT]
+====
+Do not install a private image registry on {azure-first} Red{nbsp}Hat OpenShift (ARO), because the endpoint can put your {azure-first} Red{nbsp}Hat OpenShift cluster in an unrecoverable state.
+====
+
 Use the following guide to prepare your private Microsoft Azure cluster for installation with a private image registry.
 
 .Prerequisites

modules/registry-configuring-private-storage-endpoint-azure.adoc

@@ -8,6 +8,11 @@
 
 You can leverage the Image Registry Operator to use private endpoints on Azure, which enables seamless configuration of private storage accounts when {product-title} is deployed on private Azure clusters. This allows you to deploy the image registry without exposing public-facing storage endpoints.
 
+[IMPORTANT]
+====
+Do not configure a private storage endpoint on {azure-first} Red{nbsp}Hat OpenShift (ARO), because the endpoint can put your {azure-first} Red{nbsp}Hat OpenShift cluster in an unrecoverable state.
+====
+
 You can configure the Image Registry Operator to use private storage endpoints on Azure in one of two ways:
 
 * By configuring the Image Registry Operator to discover the VNet and subnet names