We have system where we can install Windows 7 using a DVD and it automatically installs every driver without us having to download any drivers from the manufacturer website.
However, when using MDT, it fails after it completes installing the OS. Seems like it cannot install drivers (it has SAS drives). I can't tell what driver it is looking for (maybe storage driver).
The only other thing I can think of is that this is an older workstation and the drivers we downloaded from the HP website only go up to Vista. Maybe they are tagged in someway to only install if the system is specifically Windows Vista and will not install on Windows 7?
How can we make it use the drivers built into Windows OS if it cannot find the drivers to inject in the driver store?