Hyper-v virtual switch breaks my network

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  1. Posts : 19
    Windows 10
       #1

    Hyper-v virtual switch breaks my network


    I’m not entirely sure if this should be in networking section. Sorry if this is wrong section.

    First little background. I have Raspberry Pi running Kodi. I also have Windows 10 computer with TV tuner card. I can watch TV on Kodi over the network as the Windows 10 machine is running a PVR server software.

    Recently I wanted to try Hyper-v so I enabled it and created a virtual machine and an external virtual switch. This worked great and the VM ran very well. Then I wanted to watch TV on Kodi. Once I started it I got many errors stating that it could not connect to the PVR server on the Windows 10 machine.

    Then I deleted the VM and virtual switch and disabled Hyper-v. Now TV on Kodi works again.

    I think that the virtual switch somehow breaks the connection and TV streaming won’t work anymore. What could be the reason for this?
      My Computer


  2. Posts : 70
    Windows 10 Pro, Ubuntu 18.04 LTS
       #2

    JKAVS said:
    I’m not entirely sure if this should be in networking section. Sorry if this is wrong section.

    First little background. I have Raspberry Pi running Kodi. I also have Windows 10 computer with TV tuner card. I can watch TV on Kodi over the network as the Windows 10 machine is running a PVR server software.

    Recently I wanted to try Hyper-v so I enabled it and created a virtual machine and an external virtual switch. This worked great and the VM ran very well. Then I wanted to watch TV on Kodi. Once I started it I got many errors stating that it could not connect to the PVR server on the Windows 10 machine.

    Then I deleted the VM and virtual switch and disabled Hyper-v. Now TV on Kodi works again.

    I think that the virtual switch somehow breaks the connection and TV streaming won’t work anymore. What could be the reason for this?
    this is the correct forum. I also have issues since installing Hyper-V / the virtual switch. E. g. my WiFi Monitoring app isn't able to show the current WiFi connection, quality and speed anymore.
    Certainly the experts here can lighten this up.
      My Computers


  3. Posts : 17,661
    Windows 10 Pro
       #3

    Since version 1709 (Fall Creators Update) you do not have to create external switches to get Hyper-V virtual machines connected to Internet. If you are OK with using NAT networking, forget external switches; set up Hyper-V and use the new Default Switch when setting up new virtual machines:

    Hyper-v virtual switch breaks my network-image.png

    Kari
      My Computer


  4. Posts : 19
    Windows 10
    Thread Starter
       #4

    Kari said:
    Since version 1709 (Fall Creators Update) you do not have to create external switches to get Hyper-V virtual machines connected to Internet. If you are OK with using NAT networking, forget external switches; set up Hyper-V and use the new Default Switch when setting up new virtual machines:
    Kari
    I haven't installed Creators Update yet. I'll install it and try again.
      My Computer


  5. Posts : 70
    Windows 10 Pro, Ubuntu 18.04 LTS
       #5

    Hyper-v virtual switch breaks my network


    Kari said:
    Since version 1709 (Fall Creators Update) you do not have to create external switches to get Hyper-V virtual machines connected to Internet. If you are OK with using NAT networking, forget external switches; set up Hyper-V and use the new Default Switch when setting up new virtual machines:

    Kari
    Kari, will we be able to also remove the Virtual Switch for vms we created before the upgrade? I ask as you said we can configure this when creating new virtual machines.
    I will upgrade to FCU then asap.

    Thanks a lot for your as always great support!

    Ge
      My Computers


  6. Posts : 17,661
    Windows 10 Pro
       #6

    GalaxyGe said:
    Kari, will we be able to also remove the Virtual Switch for vms we created before the upgrade?
    Just open settings for any existing VM and change switch:

    Hyper-v virtual switch breaks my network-image.png

    Kari
      My Computer


  7. Posts : 19
    Windows 10
    Thread Starter
       #7

    I now have Fall Creators Update installed and a new Hyper-V virtual machine running Windows 10 on it. I set it up to use the default switch.
    The problem is that it does not have an internet connection. The VM says: "Unknown network. No internet connection" (Or something similar. My OS is not in english and that's my translation).
    What could be the problem.
      My Computer


  8. Posts : 17,661
    Windows 10 Pro
       #8

    JKAVS said:
    I now have Fall Creators Update installed and a new Hyper-V virtual machine running Windows 10 on it. I set it up to use the default switch.
    The problem is that it does not have an internet connection. The VM says: "Unknown network. No internet connection" (Or something similar. My OS is not in english and that's my translation).
    What could be the problem.
    Hyper-v virtual switch breaks my network-fin_flagorb80.png

    Postaa virheilmoituksen teksti tai kuvakaappaus siitä tänne, kyllä me suomea ymmärretään

    Hyvää itsenäisyyspäivää!


    Hyper-v virtual switch breaks my network-en-us_flagorb80.png

    Please post the error message in Finnish or screenshot of it, we do understand Finnish

    Happy independence day!

    Kari
      My Computer


  9. Posts : 19
    Windows 10
    Thread Starter
       #9

    It's just the normal network menu in the task bar.
    Hyper-v virtual switch breaks my network-no-internet.png
      My Computer


  10. Posts : 17,661
    Windows 10 Pro
       #10

    Ah OK, I understand now what you meant.

    Try following: Shut down VM. In VM settings, set Network Adapter > Not connected:

    Hyper-v virtual switch breaks my network-image.png

    Start VM. When on desktop open VM settings (File menu > Settings) and set Network Adapter > Default Switch.

    Please post back if it worked or not, we'll think something else if not.
      My Computer


 

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