Full list of features

Monitoring of data streams between a USB device driver and Host Controller Driver.
Monitoring of all types of USB Requested Blocks (URB).
IOCTL_INTERNAL_USB_* monitoring.
Monitoring of IRPs of PnP and Power Management subsystems.
Real-time monitoring.
Hot-plugged device monitoring.
100% software solution.
Saving captured data to a file for further analysis.
Simultaneous monitoring of multiple USB devices.
Restart device stack emulation.
Gathering complete USB device information (device, configuration, interface, endpoint descriptor).
Built-in data viewing filter.
Built-in data capturing filter.
Easy switching between corresponding outgoing and incoming packets.
Displaying detailed URB and INTERNAL_IOCTL data.
Displaying time stamped events in real time.
Data search engine.
User-friendly interface.
Supports USB 1.x and 2.0.
Operating Systems: Windows Vista, XP, 2000, Server 2003, Server 2008, Server 2008 R2, Windows 7.