Merge pull request #228890 from johnmarco/jm-aro-register-resource-provider

Add Redhat resource provider to portal quickstart

Author: prmerger-automator[bot]

articles/openshift/quickstart-portal.md

@@ -18,6 +18,8 @@ Sign in to the [Azure portal](https://portal.azure.com).
 
 Create a service principal, as explained in [Use the portal to create an Azure AD application and service principal that can access resources](../active-directory/develop/howto-create-service-principal-portal.md). **Be sure to save the client ID and the appID.** 
 
+Register the `Microsoft.RedHatOpenShift` resource provider. For instructions on registering resource providers using Azure portal, see [Register resource provider](/azure/azure-resource-manager/management/resource-providers-and-types#register-resource-provider).
+
 ## Create an Azure Red Hat OpenShift cluster
 1.	On the Azure portal menu or from the **Home** page, select **All Services** under three horizontal bars on the top left hand page.
 2.	Select **Containers** > **Azure Red Hat OpenShift**.