VirtualBox how to: automatically capture USB devices for use in a virtual machine

A USB filter in VirtualBox allows you to automatically capture USB devices for use in a virtual machine (VM). This ensures that the device is passed directly to the guest OS when connected, bypassing the host system.

Steps to Add a USB Filter

1. Install VirtualBox Extension Pack
    Ensure the Extension Pack is installed on the host. It adds support for USB 2.0/3.0. Download and install it from the VirtualBox website.

2. Enable USB Controller in VM Settings
    Open VirtualBox and select your VM. Go to Settings > USB. Enable USB 2.0 (EHCI) or USB 3.0 (xHCI) depending on your guest OS support.

3. Create a USB Filter
    While the USB device is connected to the host, click Add Filter (+) in the USB settings of your VM. A new filter will be created with details like Vendor ID, Product ID, etc., pre-filled for the connected device. You can edit these fields if needed (e.g., leave fields blank for broader matching).

4. Start the VM and Connect Device
    Unplug the USB device from the host and start your VM. Once the VM is running, plug in the USB device. The filter will automatically capture it for use in the guest OS.

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