Merge pull request #289405 from MekaylaMoore/patch-6

Update expressroute-howto-gateway-migration-powershell.md

Author: prmerger-automator[bot]

articles/expressroute/expressroute-howto-gateway-migration-powershell.md

@@ -7,7 +7,7 @@ author: duongau
 ms.service: azure-expressroute
 ms.custom: ignite-2023
 ms.topic: how-to
-ms.date: 04/26/2024
+ms.date: 10/29/2024
 ms.author: duau
 ---
 
@@ -68,8 +68,7 @@ This script creates a new ExpressRoute virtual network gateway on the same gatew
     ```azurepowershell-interactive
    gateway-migration/preparemigration.ps1
     ```
-1. Enter the resource ID of your gateway.
-1. The gateway subnet needs two or more address prefixes for the migration. If you have only one prefix, you're prompted to enter an additional prefix. 
+1. Enter the resource ID of your gateway. 
 1. Choose a name for your new resources, the new resource name will be added to the existing name. For example: existingresourcename_newname.
 1. Enter an availability zone for your new gateway.