updated

Author: KumudD

articles/virtual-network/configure-routing-preference-virtual-machine-cli.md

@@ -25,6 +25,11 @@ This article shows you how to create a virtual machine with a public IP that is
 > This preview version is provided without a service level agreement, and it's not recommended for production workloads. Certain features might not be supported or might have constrained capabilities. 
 > For more information, see [Supplemental Terms of Use for Microsoft Azure Previews](https://azure.microsoft.com/support/legal/preview-supplemental-terms/).
 
+## Register the feature for your subscription
+The Routing Preference feature is currently in preview. You must register the feature for your subscription as follows:
+    ```azurecli
+    az feature register --namespace Microsoft.Network --name AllowRoutingPreferenceFeature
+    ```
 ## Create a resource group
 1. If using the Cloud Shell, skip to step 2. Open a command session and sign into Azure with `az login`.
 2. Create a resource group with the [az group create](/cli/azure/group#az-group-create) command. The following example creates a resource group in the East US Azure region:

articles/virtual-network/configure-routing-preference-virtual-machine-powershell.md

@@ -25,6 +25,12 @@ This article shows you how to create a virtual machine with a public IP that is
 > This preview version is provided without a service level agreement, and it's not recommended for production workloads. Certain features might not be supported or might have constrained capabilities. 
 > For more information, see [Supplemental Terms of Use for Microsoft Azure Previews](https://azure.microsoft.com/support/legal/preview-supplemental-terms/).
 
+## Register the feature for your subscription
+The Routing Preference feature is currently in preview. You must register the feature for your subscription as follows:
+    ```azurepowershell
+    Register-AzProviderFeature -FeatureName AllowRoutingPreferenceFeature ProviderNamespace Microsoft.Network
+    ```
+
 ## Create a resource group
 1. If using the Cloud Shell, skip to step 2. Open a command session and sign into Azure with `Connect-AzAccount`.
 2. Create a resource group with the [New-AzResourceGroup](/powershell/module/az.resources/new-azresourcegroup) command. The following example creates a resource group in the East US Azure region:

articles/virtual-network/routing-preference-cli.md

@@ -36,6 +36,12 @@ If you don't have an Azure subscription, create a [free account](https://azure.m
 [!INCLUDE [cloud-shell-try-it.md](../../includes/cloud-shell-try-it.md)]
 If you decide to install and use Azure CLI locally instead, this quickstart requires you to use Azure CLI version 2.0.49 or later. To find your installed version, run `az --version`. See [Install Azure CLI](/cli/azure/install-azure-cli) for install or upgrade info.
 
+## Register the feature for your subscription
+The Routing Preference feature is currently in preview. You must register the feature for your subscription as follows:
+    ```azurecli
+    az feature register --namespace Microsoft.Network --name AllowRoutingPreferenceFeature
+    ```
+
 ## Create a resource group
 Create a resource group with the [az group create](/cli/azure/group#az-group-create) command. The following example creates a resource group in the **East US** Azure region:
 

articles/virtual-network/routing-preference-overview.md

@@ -26,7 +26,7 @@ Azure routing preference enables you to choose how your traffic routes between A
 
 ## Routing via Microsoft global network
 
-When you route your traffic via the *Microsoft global network*, traffic is delivered over one of the largest networks on the globe spanning over 130,000 miles of fiber with over 165 edge POPs. The network is well provisioned with multiple redundant fiber paths to ensure exceptionally high reliability and availability. The traffic engineering is managed by a software defined WAN control that ensures low latency path selection for your traffic and offers the premium network performance.
+When you route your traffic via the *Microsoft global network*, traffic is delivered over one of the largest networks on the globe spanning over 160,000 miles of fiber with over 165 edge Point of Presence (POPs). The network is well provisioned with multiple redundant fiber paths to ensure exceptionally high reliability and availability. The traffic engineering is managed by a software defined WAN controller that ensures low latency path selection for your traffic and offers the premium network performance.
 
 ![Routing via Microsoft global network](media/routing-preference-overview/route-via-microsoft-global-network.png)
 
@@ -89,6 +89,7 @@ Routing Preference support for storage account is available in the following Azu
 
 * Routing preference is only compatible with standard SKU of public IP address. Basic SKU of public IP address is not supported.
 * Routing preference currently supports only IPv4 public IP addresses. IPv6 public IP addresses are not supported.
+* Virtual machines with multiple NICs can have only one type of routing preference.
 
 
 ## Next steps

articles/virtual-network/routing-preference-portal.md

@@ -32,6 +32,12 @@ This article shows you how to create a public IP address with the routing prefer
 
 If you don't have an Azure subscription, create a [free account](https://azure.microsoft.com/free/?WT.mc_id=A261C142F) now.
 
+## Register the feature for your subscription
+The Routing Preference feature is currently in preview. You must register the feature for your subscription using Azure PowerShell as follows:
+    ```azurepowershell
+    Register-AzProviderFeature -FeatureName AllowRoutingPreferenceFeature ProviderNamespace Microsoft.Network
+    ```
+
 ## Create a public IP address with a routing preference
 1. Sign in to the [Azure portal](https://preview.portal.azure.com/).
 2. Select **Create a resource**. 

articles/virtual-network/routing-preference-powershell.md

@@ -35,6 +35,12 @@ If you don't have an Azure subscription, create a [free account](https://azure.m
 [!INCLUDE [cloud-shell-try-it.md](../../includes/cloud-shell-try-it.md)]
 If you choose to install and use PowerShell locally, this article requires the Azure PowerShell module version 6.9.0 or later. Run `Get-Module -ListAvailable Az` to find the installed version. If you need to upgrade, see [Install Azure PowerShell module](/powershell/azure/install-Az-ps). If you are running PowerShell locally, you also need to run `Connect-AzAccount` to create a connection with Azure.
 
+## Register the feature for your subscription
+The Routing Preference feature is currently in preview. You must register the feature for your subscription as follows:
+    ```azurepowershell
+    Register-AzProviderFeature -FeatureName AllowRoutingPreferenceFeature ProviderNamespace Microsoft.Network
+    ```
+
 ## Create a resource group
 
 Create a resource group with [New-AzResourceGroup](/powershell/module/az.Resources/New-azResourceGroup). This example creates a resource group named *myResourceGroup* in the *eastus* location:

articles/virtual-network/tutorial-routing-preference-virtual-machine-portal.md

@@ -25,6 +25,12 @@ This article shows you how to create a virtual machine with a public IP that is
 > This preview version is provided without a service level agreement, and it's not recommended for production workloads. Certain features might not be supported or might have constrained capabilities. 
 > For more information, see [Supplemental Terms of Use for Microsoft Azure Previews](https://azure.microsoft.com/support/legal/preview-supplemental-terms/).
 
+## Register the feature for your subscription
+The Routing Preference feature is currently in preview. You must register the feature for your subscription using Azure PowerShell as follows:
+    ```azurepowershell
+    Register-AzProviderFeature -FeatureName AllowRoutingPreferenceFeature ProviderNamespace Microsoft.Network
+    ```
+
 ## Sign in to Azure
 
 Sign in to the [Azure portal](https://preview.portal.azure.com/).