Add support statement for clusters spanning VNETS/subnets

Author: rdeltcheva

articles/sap/workloads/high-availability-guide-rhel-pacemaker.md

@@ -8,7 +8,7 @@ ms.service: sap-on-azure
 ms.topic: article
 ms.tgt_pltfrm: vm-windows
 ms.custom: linux-related-content
-ms.date: 10/09/2023
+ms.date: 07/19/2024
 ms.author: radeltch
 ---
 
@@ -77,6 +77,9 @@ Read the following SAP Notes and papers first:
 >
 > The only supported fencing mechanism for Pacemaker RHEL clusters on Azure is an Azure fence agent.  
 
+> [!IMPORTANT]
+> Pacemaker clusters deployed across multiple VNETS/subnets are not covered by standard support.
+
 The following items are prefixed with:
 
 - **[A]**: Applicable to all nodes