troubleshooting Question

How can I get a Windows 7 Pro guest O/S to connect to the network in Hyper-V on Server 2008 R2?

Avatar of Chris Collins
Chris CollinsFlag for United States of America asked on
Hyper-VWindows Server 2008Windows 7Windows NetworkingDell
16 Comments1 Solution170 ViewsLast Modified:
I have a Dell PowerEdge 1950 rack-mount server with the latest BIOS (2.7.0) running 64-bit Server 2008 R2 Enterprise w/ SP1. I have installed the Hyper-V role and setup a VM running 64-bit Windows 7 Pro SP1. Everything went smoothly with the install except that I simply cannot get the Win 7 guest O/S to communicate on the network no matter what I try.

The host server has two Ethernet adapters, both of which are connected to my Gigabit switch.  Initially each of them was setup with a static IP (in the Class A range). After the installation of Hyper-V, there is also a third adapter showing up: "Local Area Connection 2 - Virtual Network" which is, of course, set to obtain its IP automatically.

In attempting to troubleshoot, I tried to use the "Legacy Adapter" on the VM - that did not work.  I also tried setting one of my host machine's Ethernet adapters to obtain its IP automatically, leaving the other static.  No good.  Finally I disabled the second Ethernet adapter in the host machine entirely. Still no good.

I have also shut down the VM a couple of times and checked to see if there is anything I can adjust under "Settings". Aside from just removing and recreating the virtual network adapter, there doesn't seem to be much else I can do that is of any use.

Does anyone have any suggestions?

Any help would be greatly appreciated.

Scott Silva
Network Administrator

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