Hyper-V Virtual Windows Server 2008 - cannot see network

Posted on 2012-08-30
Last Modified: 2012-08-31
I have a Windows Server 2008 R2 and using Hyper-V I created a Virtual Machine (again Windows Server 2008 R2). I can connect to it from the Hyper-V but it cannot see the network or the Internet or pinged it.

I have given it a static IP in the router and put that into the TCPIP settings V4. I have checked the MAC address is the same.

In the system tray it says “Unidentified Network – No Internet Access”

I have turned off the Windows Fire wall in case that is interfering.

I have set the Workgroup to be the same as the other machines.

I have been into Hyper-V to the Virtual Machine Manager and created a New Virtual Network, connection type External using HP “NC326i PCIe DualPort Gigabit server adapter”. I have enabled virtual LAN identification. There is also a second adapter “HP NC326i PCIe DualPort Gigabit server adapter #2” but using this I loose the connection to the server on the Remote desktop, the connection is not enabled on the host server

How do I get the virtual machine to see the network?

Your help appreciated

Question by:steve2918
    LVL 12

    Accepted Solution

    do you have the most up to date drivers for your NICs, was it ever working and all of a sudden stopped? do you have any antivirus or other sort of monitoring software on it?

    have a quick look here:
    LVL 95

    Expert Comment

    by:Lee W, MVP
    Can you post a screen shot for the Virtual Switch Manager with the virtual switch you created highlighted and showing the connection type and settings?  Easier to visualize...

    (Why did you enable VLANs?) Do you use them on your network?

    Author Comment

    Hi xmlmagician

    The driver is up to date

    There is no anti-virus on the virtual machine.

    The referenced document was very interesting and I have attempted to install RRAS how ever I cant Configure it at the end of the article only the newly created Bridge is visavble?

    See attached


    Author Comment

    Hi Leew

    Screen shot attached

    I enabled VLANs as an experiment, it seemed a resonable thing to try  (though I dont understand it much)


    LVL 12

    Expert Comment

    i don't know if it is just me but i cant see any screenshots

    Author Comment

    Sorry Try Again
    LVL 77

    Expert Comment

    by:David Johnson, CD, MVP
    Try removing the vlan 2 (uncheck enable virtual lan...)

    Author Comment


    Unchecking Virtual LAN identification makes no difference

    Author Closing Comment

    The issue seems to have been twi fold

    1. I needed to dset up the Virtual Network Before creating the machine
    2. I needed a bridge connector between the the virtual network and the real one

    The article

    Posted in the forst responce pionted the way

    Thanks for the help

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