remove public peering

Author: duongau

articles/backup/backup-azure-dpm-introduction.md

@@ -46,7 +46,7 @@ Supported file types | These file types can be backed up with Azure Backup:<br>
 Unsupported file types | <li>Servers on case-sensitive file systems<li> hard links (skipped)<li> reparse points (skipped)<li> encrypted and compressed (skipped)<li> encrypted and sparse (skipped)<li> Compressed stream<li> parse stream
 Local storage | Each machine you want to back up must have local free storage that's at least 5% of the size of the data that's being backed up. For example, backing up 100 GB of data requires a minimum of 5 GB of free space in the scratch location.
 Vault storage | There’s no limit to the amount of data you can back up to an Azure Backup vault, but the size of a data source (for example a virtual machine or database) shouldn’t exceed 54,400 GB.
-Azure ExpressRoute | You can back up your data over Azure ExpressRoute with public peering (available for old circuits) and Microsoft peering. Backup over private peering isn't supported.<br/><br/> **With public peering**: Ensure access to the following domains/addresses:<br/><br/> URLs:<br> `www.msftncsi.com` <br> .Microsoft.com <br> .WindowsAzure.com <br> .microsoftonline.com <br> .windows.net <br>`www.msftconnecttest.com`<br><br>IP addresses<br>  20.190.128.0/18 <br>  40.126.0.0/18<br> <br/>**With Microsoft peering**, select the following services/regions and relevant community values:<br/><br/>- Microsoft Entra ID (12076:5060)<br/><br/>- Microsoft Azure Region (according to the location of your Recovery Services vault)<br/><br/>- Azure Storage (according to the location of your Recovery Services vault)<br/><br/>For more information, see [ExpressRoute routing requirements](../expressroute/expressroute-routing.md).<br/><br/>**Note**: Public peering is deprecated for new circuits.
+Azure ExpressRoute | You can back up your data over Azure ExpressRoute with Microsoft peering. Backup over private peering isn't supported.<br/><br/>**With Microsoft peering**, select the following services/regions and relevant community values:<br/><br/>- Microsoft Entra ID (12076:5060)<br/><br/>- Microsoft Azure Region (according to the location of your Recovery Services vault)<br/><br/>- Azure Storage (according to the location of your Recovery Services vault)<br/><br/>For more information, see [ExpressRoute routing requirements](../expressroute/expressroute-routing.md).<br/>
 Azure Backup agent | If DPM is running on System Center 2012 SP1, install Rollup 2 or later for DPM SP1. This is required for agent installation.<br/><br/> This article describes how to deploy the latest version of the Azure Backup agent, also known as the Microsoft Azure Recovery Service (MARS) agent. If you have an earlier version deployed, update to the latest version to ensure that backup works as expected. <br><br> [Ensure your server is running on TLS 1.2](transport-layer-security.md).
 
 Before you start, you need an Azure account with the Azure Backup feature enabled. If you don't have an account, you can create a free trial account in just a couple of minutes. Read about [Azure Backup pricing](https://azure.microsoft.com/pricing/details/backup/).