Azure Site-to-Site VPN Connection and vNet Sharing – Allowing multiple vNets and Subscriptions to connect to VPN

If you don’t have ExpressRoute, you most probably rely on Azure Site-to-Site VPN to connect your on-premise network to Azure. If you have multiple Azure subscriptions, maintaining multiple Site-to-Site VPN connections from Azure to your on-premise VPN gateway is not fun at all. Take the case below in the diagram: What is the problem? Configuration…