portal doesn't allow to set zone redundancy

Author: spelluru

articles/event-hubs/event-hubs-geo-dr.md

@@ -2,7 +2,7 @@
 title: Geo-disaster recovery - Azure Event Hubs| Microsoft Docs
 description: How to use geographical regions to fail over and perform disaster recovery in Azure Event Hubs
 ms.topic: article
-ms.date: 06/21/2021
+ms.date: 05/10/2022
 ---
 
 # Azure Event Hubs - Geo-disaster recovery 
@@ -164,6 +164,9 @@ When creating a namespace, you see the following highlighted message when you se
 
 :::image type="content" source="./media/event-hubs-geo-dr/eh-az.png" alt-text="Image showing the Create Namespace page with region that has availability zones":::
 
+> [!NOTE]
+> When you use the Azure portal, zone redundancy via support for availability zones is automatically enabled. You can't disable it in the portal. You can use the Azure CLI command [az eventhubs namespace](/cli/azure/eventhubs/namespace#az-eventhubs-namespace-create) with the parameter `--zone-redundant` set to `false` or use the PowerShell command `New-AzEventHubNamespace` with the parameter `-ZoneRedundant` set to `false` to create a namespace with zone redundancy disabled. 
+
 ## Private endpoints
 This section provides more considerations when using Geo-disaster recovery with namespaces that use private endpoints. To learn about using private endpoints with Event Hubs in general, see [Configure private endpoints](private-link-service.md).