contains the base Windows filesystem, whereas the WinPE boot.wim contains WinPE's filesystem and boots WinPE ![]() EFI bootabilty is determined by the presence of EFI boot files, not the ISO itself.WinPE ISOs are a read-only UDF filesystem and cannot be modified once created.Ī WinPE boot.wim often contains multiple images to modify an index, mount it via /Mount-Image and save changes via /Unmount-Image or by capturing a new image to keep the UEFI bootability of the ISO intact? Wouldn't it be faster to edit an ISO, add the autounattend.xml, and replace the files within an install. ESDs/WIMs are smart compression file formats and while they can be opened in a compression utility to extract data (I prefer 7zip in lieu of /Mount-Image), changes cannot be made and files cannot be extracted with the intent of using them to install Windows, as ACLs/other data is lost.(this isn't a "roadblock", it's how Windows is installed)ĮSDs/WIMs are not managed with third-party software, as doing so will irrevocably corrupt the ESD/WIM: Exporting a WIM from an ESD is done via Dism /Export-Image, after /GetImage-Info, not through an additional download with Rufus.There's no reason to use /Split-Image, as an exported install.esd index for Home/Pro will not exceed 4GB (an ESD, in conjunction with a WIM, should be exported for, not installing Windows To apply an ESD/WIM to a partition, Dism /Apply-Image would be used.OsCdImg is required to create an ISO 9660, Joliet, or UDF formatted ISO from WinPE files.While third-party software can create a bootable USB from an Install ISO, to do so only from WinPE/ISO files use MakeWinPeMedia (ISO/MBR USB) or DiskPart, RoboCopy, and Dism (Partition/USB): Is there a quicker method compared to using WinRAR, Rufus, an install.swm, etc.? Yes only the filesystem contents in the ESD/WIM index changes, not the Windows Bootloader Setup boots to applied image : 5: auditSystem, 6: auditUser, 7: oobeSystemĭoes Secure Boot remain active with an edited Install ESD/WIM?.Setup boots to WinPE: 2: offlineServicing, 3: specialize.(if an answer file isn't provided, Setup autogenerates one from selections made) 4: generalize), with the answer file being applied: Windows is installed in seven phases (incl. ZTI: automates everything, with the first user interaction either during, or after, OOBE.LTI: automates most things and would be used if wanting to boot to auditSystem or auditUser prior to oobeSystem.I want to boot Windows install media and not have the install halted by questions. iso, adding the autounattend.xml and replace the install.- files with the correct ones, keeping the UEFI bootability of the iso intact?įor steps, skip to: Configuring a ZTI Prerequisite Information: Wouldn't this all be faster by editing an. ![]() iso (with IMGBurn) that boot in a secure-boot uefi context?
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