Windows 10: Unable to Access Shared Folder via Hyper-V Virtual Switch

Discus and support Unable to Access Shared Folder via Hyper-V Virtual Switch in Windows 10 Network and Sharing to solve the problem; I have a Hyper-V virtual machine that uses a default switch, which is an internal virtual switch and connects to a virtual adapter called vEthernet on... Discussion in 'Windows 10 Network and Sharing' started by Gary0, Dec 18, 2018.

  1. GARY0
    Gary0 Win User

    Unable to Access Shared Folder via Hyper-V Virtual Switch


    I have a Hyper-V virtual machine that uses a default switch, which is an internal virtual switch and connects to a virtual adapter called vEthernet on the Windows 10 host. Using the IP address of the vEthernet adapter, I have no problem pinging the host machine from both the guest and the host machines. However, I am unable to access the shared folders on the host. The sharing worked a few months ago when I first configured it so I suspect the issue might either relate to system updates or some other configuration changes that I am not aware of. Following is some more information of the configuration and my tests.
    (1) I have tried to turn on the sharing on all networks under "Sharing options", but that does not help.
    (2) I have tried to turn off the firewall but that does not help either.
    (3) The shared folder can be accessed on other networks. The issue occurs only on the virtual switch.
    (4) Troubleshooting indicates the file sharing port is not enabled on the virtual adapter. An attempt to connect to port 445 on the virtual adapter fails.

    :)
     
    Gary0, Dec 18, 2018
    #1
  2. ZORVEK
    zorvek Win User

    Hyper-V - Unable to Create External Virtual Switch


    Nothing is listed:


    Unable to Access Shared Folder via Hyper-V Virtual Switch [​IMG]


    Kevin
     
    zorvek, Dec 18, 2018
    #2
  3. DADICATOR
    Dadicator Win User
    Hyper-V - Unable to Create External Virtual Switch


    I see Windows PowerShell Listed at top left corner --- It Does Not Say "Administrator" Maybe problem
     
    Dadicator, Dec 18, 2018
    #3
  4. KARI
    Kari Win User

    Unable to Access Shared Folder via Hyper-V Virtual Switch

    Win10 Accesses the Internet With Hyper-V's Virtual Switch


    Just to add to Mystere's excellent post, using a Hyper-V external switch virtual machines get a bridged connection. If you prefer NAT (Network Address Translation) instead, you don't have to create an external virtual switch. About bridged vs. NAT: NAT vs. bridged network: A simple diagram - TechGenix

    To use NAT in Hyper-V, first create an Internal switch in Virtual Switch Manager then share your host Ethernet or WLAN connection with your internal switch:


    Unable to Access Shared Folder via Hyper-V Virtual Switch [​IMG]

    In VM settings set virtual machines to use the internal switch. They will now get private IP addresses 192.168.137.XXX, internal switch on host acting as DHCP server with IP 192.168.137.1.

    Using NAT only with virtual machines makes external virtual switch unnecessary but as it makes networking between host and virtual machines quite a challenge if not impossible, the bridged mode with an external switch is the recommended way.

    Quote from an old tutorial at our sister site EightForums.com:

    (From EightForums.com tutorial Hyper-V Virtual Switch Manager)
     
    Kari, Dec 18, 2018
    #4
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Unable to Access Shared Folder via Hyper-V Virtual Switch

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