VirtualBox 4.x – Failed To Access The USB Subsystem


I’ve just installed VirtualBox on my Linux Mint 11 (Katya) laptop and get the following error when I try to edit the settings on my Ubuntu 11.10 virtual machine:

VirtualBox is not currently allowed to access USB devices. You can change this by adding your user to the ‘vboxusers‘ group. Please see user manual for more detailed explanation.

To add your username to the vboxusers group enter the following command in the terminal (where “your-user-name” is your username on the computer):

sudo usermod -a -G vboxusers your-user-name

All that is left to do after this is reboot your computer.

Thanks to Sebastian for his comment regarding the addition of the -a switch to the usermod command.

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3 thoughts on “VirtualBox 4.x – Failed To Access The USB Subsystem

  1. Sebastian

    No! Don’t do that! This will screw up the group settings for your user (at least on Ubuntu 10.10). What you should rather do is:

    sudo usermod -a -G vboxusers your-user-name

    which appends to the existing groups for your username (haven’t tested this, but this seems the logical thing to do). Also see this post in connection to this issue:
    http://x.thexs.us/tag/usermod/

    If you already did the above and can’t sudo anymore, follow the instructions here:
    http://ubuntuforums.org/showthread.php?p=4273283#post4273283

    HTH
    Sebastian

    Reply
  2. Pingback: Ubuntu / Linux Mint – User is not in the sudoers file. This incident will be reported. « PricklyTech

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