Using multiple external networks on hyper-V?

I have a server running Hyper-V with 6 network cards.  There are 5 external virtual networks visible in the hyper-v manager.  The other is for administration.  That NIC has a static ip set for it through the parent (w2k8 shell) partition.  The others show as dhcp.  I can communicate with the vms on the machine but not with the parent partition.  What could be causing this?
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Are you not able to communicate with the management OS from the VMs or from the out side of the host machine or both? Is it 2008 R2? if so, then you need to set the option "Allow management OS to share this network adapter"

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wessirAuthor Commented:
Your previous answer to a different issue fixed this problem, thank you.
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