Network card in Hyper-V

I am running Windows 2008 as Hyper-V guest. I am unable to install networks cards. Standard nic comes up as Unknow device in Computer manager and Legacy nic comes up as Ethernet controller.

I have tried to remove the cards from the image as well from the operating system. I am running several Guest machines on the Hyper-V, they are Windows 2003 and XP. I am not having trouble with them. The Nic are Intel(R) PRO/100 S Desktop Adapter.
soffcecManagerAsked:
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jjrrwwConnect With a Mentor Commented:
In a couple of instances I have had to specify a manual (fixed) MAC address to resolve a similar issue.  After fixing the MAC address in the Hyper-V manager, the virtual machine suddenly recognized the network cards properly.
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jakethecatukConnect With a Mentor Commented:
have you installed the hyper-v integration software into your guest VM's as this will provide the drivers for all of the hyper-v virtual hardware components (NIC, memory, CPU etc)
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noxchoGlobal Support CoordinatorCommented:
I am interested to know the solution of this problem as well.
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soffcecManagerAuthor Commented:
I have  installed the hyper-v integration. The problem is when I use 2 nic on the same host.  
I will try to fix Mac address.
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