Hyper-V. Cannot delete "Default Switch" after Fall Creators Update.

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  1. Kari's Avatar
    Posts : 15,170
    Windows 10 Pro
       03 Dec 2017 #11

    DrEmpiricism said: View Post
    Once the Hyper-V role is installed on the system, it takes your network card and assigns it to the virtual switch, then creates a virtual network adapter for the end-user.
    Absolutely not true, completely wrong and invalid information.

    Setting up Hyper-V does not touch / change any network settings. Creating an external network switch is totally optional. No virtual network adapters will be created when Hyper-V is enabled.

    Please check your facts before posting.

    Kari
      My ComputerSystem Spec

  2.    04 Dec 2017 #12

    cereberus said: View Post
    This is not necessary, and is just over complicated.

    You just set up C drive in VM as a private shared drive, with full permissions for "everyone", setting up password as required from network and sharing centre (I turn off password personally). You use an external switch, not "default switch". I use this to share drives with Host when using Home as a VM which does not support RDP as a server so cannot be used in enhanced mode.

    This works fine for windows to windows share, but more effort is needed for android to windows shares.
    That's good to know. However, in my setup I'm using Hyper-V to run an F5 LTM/ASM which need to be able to create VIPs that are accessible on my LAN to other devices. My approach above is the only way I could do it. Prior to the creators update I didn't need to do this.
      My ComputerSystem Spec

  3.    17 Dec 2017 #13

    Kari said: View Post
    Setting up Hyper-V does not touch / change any network settings. ... No virtual network adapters will be created when Hyper-V is enabled.

    Please check your facts before posting.

    Kari
    A few posts earlier you posted, that with Hyper-V there comes a virtual default switch/ network adapter which cannot be deleted.
    How can you say now, that it's not.

    Obviously it is created and it cannot be deleted, otherwise I would not be here.

    I hope the post from "DrEmpiricism" reflects the future with:
    "...but from what I've read on the developer forums, they are looking to make it optional."

    I can setup an internal NAT if I need one, but I don't need this default switch (and I want it removed).
    More network adapters mean e.g. more spam using ipconfig or another connection in the network sharing center with unidentified network connection...
      My ComputerSystem Spec

  4.    17 Dec 2017 #14

    Gerhard87 said: View Post
    A few posts earlier you posted, that with Hyper-V there comes a virtual default switch/ network adapter which cannot be deleted.
    How can you say now, that it's not.

    Obviously it is created and it cannot be deleted, otherwise I would not be here.

    I hope the post from "DrEmpiricism" reflects the future with:
    "...but from what I've read on the developer forums, they are looking to make it optional."

    I can setup an internal NAT if I need one, but I don't need this default switch (and I want it removed).
    More network adapters mean e.g. more spam using ipconfig or another connection in the network sharing center with unidentified network connection...
    @Kari is entirely correct - the virtual switch is only setup IF you create an external switch or use the default option.
      My ComputerSystem Spec

  5.    17 Dec 2017 #15

    I don't know what you mean with default option, but a virtual switch named "Default Switch" is created just by installing the Hyper-V feature in Windows 1709.
      My ComputerSystem Spec

  6. Kari's Avatar
    Posts : 15,170
    Windows 10 Pro
       17 Dec 2017 #16

    Gerhard87 said: View Post
    I don't know what you mean with default option, but a virtual switch named "Default Switch" is created just by installing the Hyper-V feature in Windows 1709.
    Yes, but as long as you do not create any additional external switches, it affects host networking in no way. You are completely misunderstanding what has been said.

    This is what I posted:

    Kari said: View Post
    DrEmpiricism said: View Post
    Once the Hyper-V role is installed on the system, it takes your network card and assigns it to the virtual switch, then creates a virtual network adapter for the end-user.
    Absolutely not true, completely wrong and invalid information.

    Setting up Hyper-V does not touch / change any network settings. Creating an external network switch is totally optional. No virtual network adapters will be created when Hyper-V is enabled.

    What I replied to member DrEmpiricism is an undisbutable fact. If you do not set up additional external switches, host NIC will not be "taken" over by Hyper-V, host networking being exactly as before without Hyper-V meddling in any way.

    Kari
      My ComputerSystem Spec


  7. Posts : 33
    Windows 10 Pro for Workstations
       27 Dec 2017 #17

    Kari said: View Post
    Absolutely not true, completely wrong and invalid information.

    Setting up Hyper-V does not touch / change any network settings. Creating an external network switch is totally optional. No virtual network adapters will be created when Hyper-V is enabled.

    Please check your facts before posting.

    Kari
    This is 100% true. Adding the Hyper-V role provisions the default switch to utilize your network card while enabling a virtual network for the system in its entirety. This is why true network parameters can be hard to attain remotely if the Hyper-V role is not taken into account.

    Please learn Hyper-V.
      My ComputersSystem Spec

  8.    31 Mar 2018 #18

    I found this thread interesting and I share the OP's desire to at least edit configuration of the default switch, particularly because it is using the wireless adapter on my laptop which I rarely use. I understand it does give me the option to use wireless for some VM if I need to, but with the entire configuration grayed out I don't know now if I may need to edit these options.

    On a related note I have no Virtual Switches in my Hyper-V Manager and still had two vSwitch network adapters listed in Windows adapter settings. Until today I could not delete them. I finally removed the NAT for Hyper-V using Powershell and finally removed the adapters through the device properties. Now I can start clean in Hyper-V.

    I won't stop looking for some way to at least enable configuring options in the default switch, including being able to select the adapter.
    Last edited by BillieB0B; 31 Mar 2018 at 02:32.
      My ComputersSystem Spec

  9.    25 Jul 2018 #19

    Kari said: View Post
    Yes, but as long as you do not create any additional external switches, it affects host networking in no way. You are completely misunderstanding what has been said.
    Nope, wrong. It affects the resolution of remote addresses when those remote addresses are actually local (i.e. 127.0.0.1 or 0.0.0.0). Check netstat—if you dare. I've already had issues with one application because of this.

    You should really avoid speaking in absolutes and totalities—rarely are you correct when doing so.
      My ComputerSystem Spec

  10.    25 Jul 2018 #20

    If you could at least disable the switch, that'd be one thing—but you can't. You can't disable it and you can't delete it, even when there's no virtual machines running or being managed. Pure M$ BS.
      My ComputerSystem Spec


 
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