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WIM images can be made bootable and Windows boot loader supports booting Windows from a WIM file. Windows Setup DVD in Windows Vista and later use such WIM files. In this case, BOOT.WIM contains a bootable version of Windows PE from which the installation is performed. Other setup files are held in the INSTALL.WIM. Since Windows 8.1, the size ...
In Windows NT, the booting process is initiated by NTLDR in versions before Vista and the Windows Boot Manager (BOOTMGR) in Vista and later. [4] The boot loader is responsible for accessing the file system on the boot drive, starting ntoskrnl.exe, and loading boot-time device drivers into memory. Once all the boot and system drivers have been ...
The deployment of Windows Vista uses a hardware-independent image, the Windows Imaging Format (WIM). The image file contains the necessary bits of the operating system, and its contents are copied as is to the target system. Other system specific software, such as device drivers and other applications, are installed and configured afterwards.
Setup begins to expand Windows files using a WIM image (aka install.wim). If the user has picked to upgrade from a current install of Windows (e.g. Windows 7 to 10), the files and applications will be transferred. If booting from the installation disk, the bootloader is installed (in the case of Windows Vista and above, this would be BOOTMGR).
It replaced the NTLDR present in older versions of Windows. The boot sector or UEFI loads the Windows Boot Manager (a file named BOOTMGR on either the system or the boot partition), accesses the Boot Configuration Data store and uses the information to load the operating system through winload.exe or winresume.exe. [2]
Since Windows Vista, [14] Windows can boot from a WIM disk image file, for which the file format is published; [15] it is similar to the ZIP format except that it supports hard links, deduplicated chunks, and uses chunk-by-chunk compression. In this case, the whole WIM is initially loaded into RAM, followed by the kernel initialisation.
In Windows Vista, Windows 7 and Windows 10, System File Checker is integrated with Windows Resource Protection (WRP), which protects registry keys and folders as well as critical system files. Under Windows Vista, sfc.exe can be used to check specific folder paths, including the Windows folder and the boot folder.
These scripted Windows PE boot images are created using the Windows Assessment and Deployment Kit (Windows ADK; previously named Windows Automated Installation Kit, WAIK), in combination with Windows 7 installation media containing the source WIM images, and then added to the WDS server's boot image repository. The Windows PE boot images may be ...