Dual NICS on Win8.1 Ent?

[Phaetos]

I'm trying to setup a Win7 VM under Win8.1 Hyper-V. I got the VM to boot to PXE, but the switches are locked down to only allow 1 IP per port, so my PXE won't get an address. I figured if I put in a 2nd NIC, connected it to a different port, and pointed the VM to that physical NIC, it would work. But, after putting in the NIC, which Device Manager is showing as an "Intel 82576 Gigabit Dual Port Network Connection" (it's the only think I could find for the moment), it just blinks in and out of existence. Network center sees the card and connection, then blinks away, then blinks back.

Is this possible?

ETA: Yes it is. Apparently, the slot I put the card in was bad. Now I have 2 seperate IP's to my machine, one of which is assigned to the virtual switch in Hyper-V, but I still can't get DHCP thru PXE boot. I rebooted the machine with just that card attached to the network and it pxe booted just fine outside of windows, so I know the port is working and the nic is working. I know the switches are setup to NOT allow multiple IP's on a single network port, but since I'm on 2 different ports, this shouldn't be an issue right? Or are the switches smart enough to realize that there are two IP's to same PC, even though it is two different MAC's?

 

[Phaetos]

Fixed my issue. Turns out the virtual switch you have to create, sets a Dynamic MAC address for the NIC. Set that to a static MAC and it works like a charm.