NIC devices that require a special driver for WinPE may cause a ConfigMgr Task Sequence to fail if a Vista or newer OS is being deployed via an Operating System Install Package
If separate NIC drivers are offered by an OEM manufacturer for use in Windows PE vs. the full Windows OS, the Task Sequence may fail if the Windows OS being deployed is Windows Vista or newer (Vista, Windows 7, 2008, 2008 R2) and if it is being deployed from an "Operating System Install Packages" (Windows installation source files).
The Configuration Manager Support Team Blog : NIC devices that require a special driver for WinPE may cause a ConfigMgr Task Sequence to fail if a Vista or newer OS is being deployed via an Operating System Install Package