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Windows Deployment Services

Windows Deployment Services (WDS) is a deprecated component of the Windows Server operating system that enables centralized, network-based deployment of operating systems to bare-metal computers. It is the successor to Remote Installation Services (RIS). WDS officially supports remote deployment of Windows Vista and later, as well as Windows Server 2008 and later. However, because WDS uses disk imaging, in particular the Windows Imaging Format (WIM), it could deploy virtually any operating system. This is in contrast with its predecessor, RIS, which was a method of automating the installation process.

WDS was first bundled with Windows Server 2008 and made available as a supplement for Windows Server 2003 R2. Microsoft deprecated some parts of WDS in Windows Server 2022. It can no longer deploy Windows 11 using a boot.wim file used directly from a Windows ISO or from physical media.

WDS functions in conjunction with the Preboot Execution Environment (PXE) to load a miniature edition of Windows known as Windows PE for installation and maintenance tasks. WDS functions as both a storage repository for the PXE network boot images as well as a repository for the actual operating system images to be installed on the target computer.

When multiple boot images are available, PXE booting via WDS will present the end-user with a boot menu to select the image to load.

To simplify the tasks of capturing and applying images, two special scripted Windows PE boot images can be created which automate these tasks. 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 either 32- or 64-bit, but 32-bit tends to be more universally compatible across all potential hardware types.

A difficulty of Windows PE booting is that it needs to include network drivers and disk controller drivers intended to work with the target hardware to be imaged. The process of adding drivers to the Windows PE boot image can be automated using the WDS server console:

This process can be repeated at a later time when a new system type needs to be captured but the current Windows PE Capture boot image does not include network drivers for it. The boot image is updated with the additional drivers using the WDS interface and automatically re-added to the WDS boot image collection to replace the original.

For specialty one-off systems this WIM driver update process is not necessary if the hard drive of the target system to be captured is removed from the source system after sysprepping, and is either installed in a computer with supported network drivers, or attached to the supported system using an external "USB to hard drive" adapter.

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