Microsoft Introduces DRPP to Simplify IOCTL and WMI Driver Testing
Microsoft announced the Device IOCTL/WMI Record and Playback Platform (DRPP), a new extension to the WDTF platform that helps developers more easily test and discover driver errors. DRPP allows driver developers to record IOCTL and Windows Management Instrumentation (WMI) interactions from real systems and replay them later in controlled test environments, shipped as part of WDK. The approach is intended to reduce the effort required to reproduce bugs, validate fixes and test driver behavior across hardware and configuration variations.
Driver development has long been challenged by limited observability and difficulty reproducing customer-reported issues. By capturing real-world IOCTL and WMI traffic, DRPP provides a more deterministic way to test drivers without requiring constant access to physical devices. The launch offers developers several advantages to employ the DRPP during testing stages, including tailored data files, the option of data file playbacks on single and multiple systems, ease of sharing across hardware kits and simplified DUT testing, among other benefits. For Windows driver and platform engineers, the platform reflects a broader shift toward automation and repeatability in low-level system development, aligning driver testing practices more closely with modern software engineering workflows focused on reliability and faster iteration.
Posted by Redmondmag.com Editors on 01/21/2026