Every needed to add a seondary interface on a Windows server? This will allow you to do it. Make sure you have hyper-v installed - and then add the interfaces. This will add an interface with tagged VLAN 1, called ClientNet.
Add-VMNetworkAdapter -ManagementOS -Name ClientNet Set-VMNetworkAdapterVlan -ManagementOS -VMNetworkAdapterName ClientNet -Access -VlanId 1
If you need to stop your machine from registering this IP in DNS (with AD), machine sure you open up the adaptor, got to TCP/IP settings, advanced, DNS and uncheck the register with DNS.