: This is the most frequent cause. If the WinPE boot image does not have the specific NIC drivers for the hardware model, it cannot pull an IP address. : Update your boot image in the SCCM Console

Technically, exit code 14 in Windows environment translates to ERROR_OUTOFMEMORY or ERROR_BAD_FORMAT , but in the specific context of SCCM PXE, it is a —meaning the download process started, but the client could not successfully read or receive the file.