sbs2011 vm moved to new hardware.  Hyper V network adapter not installed

Posted on 2014-07-11
Last Modified: 2014-11-12
Hi Experts,

As the title suggests i have moved a SBS2011 VM to new hardware.  From host winndows 8 to host win server 2012.

I didn't have the option to export the machine so basically copied the VHD files and recreated the VM within hyper V.  All is fine except the virtual adapter will not install within sbs2011.  I have tried a heap of different n/work options but just cant seem to install.

The intergration service disk has been installed already.

I have 2 physical network adapters and have setup a host and guest switch within the virtual switch for them.

I know the sbs2011 and the services and NIC are tied heavily together.

What am i missing here?
Question by:rick81
    LVL 95

    Expert Comment

    by:Lee W, MVP
    Can you post a screen shot of the VM Config?  SBS 2011 is based on 2008 R2 and integration services were already loaded (though updated ones may be available).  It should fully support synthetic NICs as well as the legacy NICs.

    Are you saying Device manager has an exclamation next to the NIC?
    LVL 16

    Expert Comment

    In the VM... when you open devicemanage , what adapters are under network devices in device manager (devmgmt.msc) and what state are they under?  Also what devices are displayed under "other devices"?

    if there any network adapters, suggest you delete them and scan for new devices.

    Do you have the same problem when you create new VMs?
    LVL 6

    Accepted Solution

    ok this has resolved.  basically i reinstalled they hyper v role.  recreated the VM.  had the same issue though.
    let the sbs2011 install sit for about 5 minutes and it magically reinstalled the Hyper Virtual adapter.

    Thanks for the responses anyway.
    LVL 16

    Expert Comment

    Not Magically rick81....
    The VM was still in the process of detecting new hardware and installing drivers.
    LVL 6

    Author Comment

    It didn't appear to be installing new hardware and new drivers. There was a long delay before it kicked over. Enough to be troubleshooting the issue.
    LVL 6

    Author Closing Comment

    Issue resolved itself

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