Developer builds automated WinPE deployment script to replace manual DISM commands

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A developer at a company where third-party imaging tools are restricted turned the limitation into an opportunity by building a custom Windows deployment script from scratch. The solution, called deploy.cmd, consolidates disk partitioning, image application, and bootloader configuration into a single self-contained Batch script running within WinPE. To eliminate manual filename entry errors, the script dynamically scans a directory for .wim files and presents them as a numbered menu using delayed variable expansion. Diskpart instructions are generated on-the-fly into a temporary file, executed silently, and logged for troubleshooting, while bcdboot automatically configures UEFI boot files after imaging. The complete scripts have been published on GitHub for others facing similar enterprise environment restrictions.

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