[ARM] refresh the quickstart-portal article

Author: mumian

articles/azure-resource-manager/media/resource-manager-quickstart-create-templates-use-the-portal/azure-resource-manager-template-tutorial-portal-deployment-resource-group.png

@@ -11,7 +11,7 @@ ms.service: azure-resource-manager
 ms.workload: multiple
 ms.tgt_pltfrm: na
 ms.devlang: na
-ms.date: 07/17/2018
+ms.date: 08/22/2018
 ms.topic: quickstart
 ms.author: jgao
 
@@ -75,7 +75,9 @@ In this section, you create a storage account using the Azure portal. Before you
 
 ## Edit and deploy the template
 
-In this section, you open the saved template from the template library, edit the template inside the portal, and deploy the revised template. To edit a more complex template, consider using Visual Studio Code which provides richer edit functionalities.
+In this section, you open the saved template from the template library, edit the template inside the portal, and deploy the revised template. To edit a more complex template, consider using [Visual Studio Code](./resource-manager-quickstart-create-templates-use-visual-studio-code.md) which provides richer edit functionalities.
+
+Azure requires all the services have an unique name. The deployment fails if you enter a storage account name that already exists. To avoid this issue, you can use a template function call uniquestring() to generate an unique storage account name.
 
 1. In the Azure portal, select **All services** from the left menu, enter **template** in the filter box, and then select **Template (PREVIEW)**.
 
@@ -175,6 +177,14 @@ In this section, you open the saved template from the template library, edit the
 10. Select **Purchase**.
 11. Select the bell icon (notifications) from the top of the screen to see the deployment status.
 
+    ![Azure Resource Manager templates deployment notification](./media/resource-manager-quickstart-create-templates-use-the-portal/azure-resource-manager-template-tutorial-portal-notification.png)
+
+12. Select **Go to resource group** from the notification pane. You shall see a screen similar to:
+
+    ![Azure Resource Manager templates deployment resource group](./media/resource-manager-quickstart-create-templates-use-the-portal/azure-resource-manager-template-tutorial-portal-deployment-resource-group.png)
+
+    You can see the deployment status was successful, and there is only one storage account in the resource group. The storage account name is an unique string generated by the template.
+
 ## Clean up resources
 
 When the Azure resources are no longer needed, clean up the resources you deployed by deleting the resource group.