NoMachine blocks VirtualBox USB

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  • #8915
    Anonymous
    Inactive

    Hi,

    some environment information:
    Host-OS: Windows 10 Enterprise 2015 LTSB 64 Bit
    NoMachine: 5.0.47_1
    VirtualBox: 5.0.8
    Guest-OS: does not matter

    When trying to connect an USB device to a virtual guest machine (OS independent) with NoMachine server running on the host system, it is not possible to access the USB device on the virtual machine. VirtualBox tries to connect it, because the device is not shown on Windows anymore, but it does not appear on the guest system.

    If I uninstall NoMachine, everything runs fine.

    Regards,
    Patrick

    #8952
    Peter76
    Participant

    Hi,

    thanks for reporting. We’re investigating and will update the post once we have some feedback on the issue.

    #9012
    Peter76
    Participant

    Hi,

    referring to the last post, we can confirm that the problem occurs. This problem is caused by the USB driver that uses NoMachine and VirtualBox. We are currently working on a solution.

    Until then, we suggest you uninstall the USB drivers without having to remove NoMachine:

    1) Run the CMD console with administrator rights:

    right click on the bottom left corner on Windows Desktop -> choose Command Prompt (Admin)

    2) Move to <NoMachine>/bin directory

    where <NoMachine> is the directory where you installed the NoMachine software

    4) Remove USB drivers and devices by executing from console:

    nxservice64 –uninstall nxusb

    or, if you are on a 32.bit machine:

    nxservice32 –uninstall nxusb

    5) USB service will be in ‘Marked to delete’ status until next reboot.

    nxservice64 –status nxusb

    6) change entry in node.cfg (than after reboot the Windows driver will not be loaded):

    run the Notepad (or other text editor) as administrator

    open file <NoMachine>/etc/node.cfg

    change entry
    #EnableUSBSharing both
    to
    EnableUSBSharing none

    7) Reboot the Windows.

    If you want to check status of USB service, you can run from console:

    nxservice64 –status nxusb

    it should be: Not installed

    #9022
    Anonymous
    Inactive

    Hi,

    this workaround works great. Thank you.

    Regards

    #9071
    Britgirl
    Keymaster

    In the meantime we have also notified Oracle. It appears to be something that may well need to be fixed on their side. Of course, if there is a fix that we can implement, we will post any info here.

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