Microsoft now requires that all device drivers, virtual devices, and related components have their filenames changed from the filenames used with the sample driver sources. In addition, for some drivers the driver module name must be changed, and for certain virtual devices the identification number must be changed.
This requirement eliminates the problem of an externally developed driver
accidentally overwriting or conflicting with a standard Windows driver or
virtual device. In addition, by having unique filenames for distinct drivers or
virtual devices, our mutual product support personnel will be able to more
easily determine when an externally developed driver has been installed.