Merge pull request #107250 from genlin/master211

add new step

Author: PRMerger6

articles/virtual-machines/windows/prepare-for-upload-vhd-image.md

@@ -264,7 +264,13 @@ Make sure the following settings are configured correctly for remote access:
    ```PowerShell
    Set-NetFirewallRule -DisplayName "File and Printer Sharing (Echo Request - ICMPv4-In)" -Enabled True
    ``` 
-5. If the VM  will be part of a domain, check the following Azure AD policies to make sure the former settings aren't reverted. 
+5. Create a rule for the Azure platform network:
+
+   ```PowerShell
+    New-NetFirewallRule -DisplayName "AzurePlatform" -Direction Inbound -RemoteAddress 168.63.129.16 -Profile Any -Action Allow -EdgeTraversalPolicy Allow
+    New-NetFirewallRule -DisplayName "AzurePlatform" -Direction Outbound -RemoteAddress 168.63.129.16 -Profile Any -Action Allow
+   ``` 
+6. If the VM  will be part of a domain, check the following Azure AD policies to make sure the former settings aren't reverted. 
 
     | Goal                                 | Policy                                                                                                                                                  | Value                                   |
     |--------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------|
@@ -421,7 +427,7 @@ System Preparation Tool (Sysprep) is a process you can run to reset a Windows in
 
 You typically run Sysprep to create a template from which you can deploy several other VMs that have a specific configuration. The template is called a *generalized image*.
 
-If you want to create only one VM from one disk, you don’t have to use Sysprep. Instead, you can create the VM from a *specialized image*. For information about how to create a VM from a specialized disk, see:
+If you want to create only one VM from one disk, you don't have to use Sysprep. Instead, you can create the VM from a *specialized image*. For information about how to create a VM from a specialized disk, see:
 
 - [Create a VM from a specialized disk](create-vm-specialized.md)
 - [Create a VM from a specialized VHD disk](https://docs.microsoft.com/azure/virtual-machines/windows/create-vm-specialized-portal?branch=master)