Windows 10: Hyper-V networking just not happening.

Discus and support Hyper-V networking just not happening. in Windows 10 Virtualization to solve the problem; I need to get some hyper-v guests set up so I can increase my KMS licence count and get that kicking along. No problem. I download the ISO - set up a... Discussion in 'Windows 10 Virtualization' started by Everso, Aug 4, 2020.

  1. Everso Win User

    Hyper-V networking just not happening.


    I need to get some hyper-v guests set up so I can increase my KMS licence count and get that kicking along. No problem. I download the ISO - set up a windows 10 template. I then shut it down and copy it 5 times - create 5 new VMs with those disks and bring them up one at a time to do the licence thing. This is where it gets annoying...

    The template and first two connect no problem - the other 3 do not get a network connection. Can't see the network - get private IP address etc. All VMs are set up identically. I even deleted them (and the VMs) and redid them. Of the remaining 3 one connected - two did not. I have deleted these two and rebuild them a couple of times not but they never get a connection.

    I did a load of Googling but all the solutions involve messing on with the virtual switch. This is a production server so messing on with network connections is not the best idea. Also given that some work - some don't and all the existing production servers get the network services no problem I don't think that's the issue.

    So - does anyone have an idea why 6 identical VMs would behave differently? And more important - what can I do to fix it?

    :)
     
    Everso, Aug 4, 2020
    #1

  2. Hyper-V networking

    Windows 10 Pro, Build 10586.71. Hyper-V installed. All was working well, and then I got a chipset update from Dell. Installed the update and rebooted computer. After that networking was not working correctly, windows showed limited connectivity. I looked
    a little to roll back the driver update, but Windows did not show a new Nic card driver and the chipsets I looked at also did not show a current date. The Dell Command update program does not provide a way to uninstall updates.

    I tried to access hyper-v switch manager but it returns an error that "an error occurred while trying to retrieve a list of virtual switches". Also tried using the powershell cmdlet but got a general error.

    I accessed the networking center and deleted the Hyper V adapter, then edited my LAN card's config disabling the two Hyper V protocols and enabling the rest. This let me get back on-line with my computer. I have tried uninstalling the Hyper V feature,
    reboot, reinstall - but I am still unable to access the switch manager. I then removed the feature again, re-named the C:\ProgramData\Microsoft\Windows\Hyper-V directory, rebooted, added the feature again. This time (obviously) none of my VM's show up but
    I'm still unable to access the switch manager.

    There is no critical data in my Hyper V, I use it for testing, re-creating issues, learning, etc. Is there a way for Windows 10 (or something designed for server 2012 that will apply) that I can use to fully reset the Hyper v networking, or fully rest all
    of hyper v so I can get it working again? I do use the workstation heavily, it's my work computer so it would be very difficult to impossible to reinstall the OS.

    Thoughts and suggestions appreciated.
     
    Matthew.Hart.TMG, Aug 4, 2020
    #2
  3. Hyper V deativication

    Hi Geoffrey,

    Hyper-V lets you run an operating system or computer system as a virtual machine on Windows. Before proceeding in disabling
    Hyper-V, please create a backup of your files for security purposes.

    To disable Hyper-V, please follow the steps below:

    • On the Cortana search box, type Turn Windows Features on or off and press
      Enter.
    • Look for the Hyper-V folder.
    • Uncheck the tick-box next to the main Hyper-V folder and click
      OK.
    • Restart your PC.

    Should you have further questions, please let us know.
     
    Jefferson Ore, Aug 4, 2020
    #3
  4. Hyper-V networking just not happening.

    s.kongrath, Aug 4, 2020
    #4
Thema:

Hyper-V networking just not happening.

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