correcting URLs

Author: bennage

articles/networking/TOC.md

@@ -1,7 +1,7 @@
 # Overview
 ## [About Azure networking](networking-overview.md)
 ## Architecture
-### [Virtual Datacenters](networking-virtual-datacenter.md)
+### [Virtual Datacenters](https://docs.microsoft.com/azure/architecture/vdc/networking-virtual-datacenter?toc=%2fazure%2fnetworking%2ftoc.json)
 ### [Asymmetric routing with multiple network paths](../expressroute/expressroute-asymmetric-routing.md?toc=%2fazure%2fnetworking%2ftoc.json)
 ### [Secure network designs](../best-practices-network-security.md?toc=%2fazure%2fnetworking%2ftoc.json)
 ### [Hub-spoke topology](https://docs.microsoft.com/azure/architecture/reference-architectures/hybrid-networking/hub-spoke)

articles/virtual-machines/workloads/sap/dbms_guide_general.md

@@ -260,7 +260,7 @@ The way to set up Azure Availability Sets is demonstrated in this [tutorial](htt
 
 
 ## Azure Network considerations 
-In large-scale SAP deployments, recommendation is that you are using the blueprint of [Azure Virtual Datacenter](https://docs.microsoft.com/azure/networking/networking-virtual-datacenter) for their VNet configuration and permissions and role assignments to different parts of their organization.
+In large-scale SAP deployments, recommendation is that you are using the blueprint of [Azure Virtual Datacenter](https://docs.microsoft.com/azure/architecture/vdc/networking-virtual-datacenter) for their VNet configuration and permissions and role assignments to different parts of their organization.
 
 There are several best practices, which resulted out of hundreds of customer deployments:
 

articles/virtual-machines/workloads/sap/hana-vm-operations.md

@@ -212,7 +212,7 @@ When you install the VMs to run SAP HANA, the VMs need:
 
 However, for deployments that are enduring, you need to create a virtual datacenter network architecture in Azure. This architecture recommends the separation of the Azure VNet Gateway that connects to on-premise into a separate Azure VNet. This separate VNet should host all the traffic that leaves either to on-premise or to the internet. This approach allows you to deploy software for auditing and logging traffic that enters the virtual datacenter in Azure in this separate hub VNet. So you have one VNet that hosts all the software and configurations that relates to in- and outgoing traffic to your Azure deployment.
 
-The articles [Azure Virtual Datacenter: A Network Perspective](https://docs.microsoft.com/azure/networking/networking-virtual-datacenter) and [Azure Virtual Datacenter and the Enterprise Control Plane](https://docs.microsoft.com/azure/architecture/vdc/) give more  information on the virtual datacenter approach and related Azure VNet design.
+The articles [Azure Virtual Datacenter: A Network Perspective](https://docs.microsoft.com/azure/architecture/vdc/networking-virtual-datacenter) and [Azure Virtual Datacenter and the Enterprise Control Plane](https://docs.microsoft.com/azure/architecture/vdc/) give more  information on the virtual datacenter approach and related Azure VNet design.
 
 
 >[!NOTE]