There is a new feature available in Azure. It’s currently in public preview and it was announced in the end of July (https://azure.microsoft.com/en-us/updates/public-preview-vnet-peering-for-azure-virtual-network/). It’s called VNet Peering and it allows you to connect two azure virtual networks in the same region. You can even connect a classic virtual network with a resource manager virtual network. The configuration of the peering is available in the new portal.
This is really awesome because it helps us to connect a resource manager virtual machine with the Azure active directory domain services. I already blogged about configuring the domain services (Configure Azure Active Directory Domain Services) and stated, that this works only with classic virtual networks. This could be an issue if we create all virtual machines in the resource manager mode. So let’s have a look on vnet peering and how to work with it: