Windows 10 ISO builds


  1. Posts : 68
    Windows 10 Pro v1803 17134.191
       #1

    Windows 10 ISO builds


    I've used a tool named UUPtoISO to create an ISO file for the 17134 RS4 build. i got the source files using a tool named "UUP dump MiniServer". i ran the ISO creation tool a couple of times and each time it creates some files that aren't binary identical.

    \sources\boot.wim
    \sources\install.wim

    those are the 2 files that aren't always the same. so what can be different? my hunch says its just a time stamp, anyone know for sure?
      My ComputerSystem Spec

  2.    #2

    The UUPtoISO program is well known to use here at TF, thanks to @Kari Finn (he built the environment, leveraging the work of various other component builders). He explains its operation in a tutorial on this tool UUP to ISO: Create Bootable ISO from Windows 10 Upgrade Files. To really understand this program, it helps to look through that tutorial (perhaps again, if you've used it already). But he explains in steps 2 and 3 that a new wim file is generated each time the program is run. Thus, even if you used it twice in quick succession, with no changes to the underlying source files, you'd get two sets of files, each with different time stamps. So yes, your hunch "It's just a time stamp" is essentially correct.
    HTH,
    --Ed--
    Last edited by EdTittel; 18 Apr 2018 at 10:09. Reason: Give more credit to Kari at Wynona's urging
      My ComputersSystem Spec


  3. Posts : 68
    Windows 10 Pro v1803 17134.191
    Thread Starter
       #3

    i really mean time stamp in the actual file itself not the date/time of the file. i'm comparing the binary contents of the files.
      My ComputerSystem Spec

  4.    #4

    Yes, you are correct sir. Sorry if my earlier affirmation was not sufficiently clear.
    Thanks,
    --Ed--
      My ComputersSystem Spec

  5. Wynona's Avatar
    Posts : 22,884
    Windows 10 Skip Ahead Preview Build 18312
       #5

    EdTittel said: View Post
    The UUPtoISO program is well known to use here at TF, thanks in part to @Kari Finn. He explains its operation in a tutorial on this tool UUP to ISO: Create Bootable ISO from Windows 10 Upgrade Files. To really understand this program, it helps to look through that tutorial (perhaps again, if you've used it already). But he explains in steps 2 and 3 that a new wim file is generated each time the program is run. Thus, even if you used it twice in quick succession, with no changes to the underlying source files, you'd get two sets of files, each with different time stamps. So yes, your hunch "It's just a time stamp" is essentially correct.
    HTH,
    --Ed--
    I'm pretty sure you got it just a tad wrong, Ed. It should be thanks to @Kari Finn. Kari started us out making ISOs with his ESD to ISO tutorial, and then on to UUP to ISO and his latest UUPDump tutorial. Othersise we would all be waiting for Microsoft to release ISOs. Because of Kari's work, I can create my own ISO and update my second and third machines much easier and faster.
      My ComputerSystem Spec


 

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