

When a user is installing a new WDDM IHV driver, MSBDD is used during the transition (from the point when the old WDDM IHV driver is uninstalled to the point before the new IHV driver is installed).The user upgrades to the current version of Windows and uses MSBDD for the setup, installation, and to retrieve an IHV driver if one is available.ĭriver installation, in the following cases: Windows setup: In the early phases of Windows setup, just before the final boot, only the MSBDD is loaded.įor example, a user has an older platform that is currently in working condition although it has no in-box graphics driver support for Windows 8 or later. Server: Server configurations that lack WDDM-capable graphics hardware can use MSBDD.

As shown in the figure below, MSBDD is used in the following scenarios:

On UEFI platforms, MSBDD inherits the linear frame buffer that is set during boot in this case, no mode or resolution changes are possible. MSBDD can use the video BIOS to manage modes and resolutions on a single monitor.
