Failed to attach the USB device SEGGER J-Link [0100] to the virtual machine WINDOWS 7

I figured it out. You are supposed to:

  1. Shutdown the guest
  2. Plug in the device, let the host grab it
  3. In the host, go to virtual box, and edit the configuration for the guest. In the “Ports” tab, go to USB and add a filter to include the plugged in device
  4. Unplug the device
  5. Start the guest OS
  6. When the guest os is running, plug in the device.

Virtual box will grab the usb device and make it available for the guest. The guest will then go on and try to identify and configure the device.

Done.

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