Windows 10: An update on Unified Update Platform (UUP) for Windows 10

Discus and support An update on Unified Update Platform (UUP) for Windows 10 in Windows 10 News to solve the problem; Back in November, we announced the next generation of our delivery technologies called the Unified Update Platform (UUP). Windows Insiders are the... Discussion in 'Windows 10 News' started by Brink, Mar 1, 2017.

  1. Brink
    Brink New Member

    An update on Unified Update Platform (UUP) for Windows 10


    Source: An update on our Unified Update Platform (UUP) - Windows Experience Blog

    :)
     
    Brink, Mar 1, 2017
    #1
  2. Martmcd Win User

    how Big is the Creators Update?

    As DaveM121 has pointed out, we won't know until its released.

    the last two insider builds (professional, not release candidates) took 40 - 50 minutes to install after the download.

    Microsoft have switched to UUP(Unified Update Platform) to deliver new builds, one of the biggest benefits UUP brings is a reduction in download size of build updates on PCs.

    An update on our Unified Update Platform (UUP) - Windows Experience Blog

    a (very) rough estimate based on what I can see on my pc, download is between 2.6 and 3GB.
     
    Martmcd, Mar 1, 2017
    #2
  3. suat.cini Win User
    KB4025342 x64 refusing to install

    Hi.

    Thank you very much for your prompt response.

    As I indicated in my first post, I already downloaded the full update package and installed it.

    Therefore, I may refer to your solution for the next update.

    But I believe the problem lies with the DELTA ( partial-incremental ) update. This partial update method is new and is being implemented for the Windows Fall Creators Update under the name UUP ( Unified Update Platform ).

    This UUP update method is currently under testing for Fall Creators Update and it is creating more problems than it is solving.

    It seems that a similar program is being run for the public release.

    I may be wrong, though.

    Thanks again for your kind help.
     
    suat.cini, Mar 1, 2017
    #3
  4. cereberus Win User

    An update on Unified Update Platform (UUP) for Windows 10

    This is actually quite a good blog.

    The interesting part (if I interpret it correctly) is not only does it download just files that have changed, it can also just download (in effect) part of a file that has changed (differential uup) and modify file accordingly.

    Also, if I understand it correctly, it can only apply a differential uup if you are on a certain build (or beyond?). If on earlier build it will do a canonical build.

    I must admit I am unclear if that means just files that have changed are downloaded in full (no by difference mods to individual files), or if it means all OS files are downloaded (like the install.esd). I think it means the former ie download is smaller than install.esd but larger than if a diff uup can be applied.
     
    cereberus, Mar 2, 2017
    #4
  5. Ztruker Win User
    The problem with this method unless its done correctly is corrupted files on your PC. I'm guessing they are doing some kind of hash comparison of the files on your PC before deciding what needs to be downloaded. That may explain why it takes awhile before the downloads actually begin as it has a lot of hash generation and validation to do first.
     
    Ztruker, Mar 2, 2017
    #5
  6. cereberus Win User
    It rebuilds files decompressing them from the well protected winsxs folders, not already deconpressed files that are more easily corrupted.
     
    cereberus, Mar 2, 2017
    #6
  7. Fafhrd Win User
    That's the theory, except it does not work this way yet.

    We know that component store corruption often defeats DISM servicing, so we may need to revert to clean SOURCE files so that DISM can complete restorehealth servicing.

    All the files required to clean-install the most recent insider version can be found in the windows\softwaredistribution\downloads\6c48ae8725d8c636de23433f710fa13d\ folder, (or a similar same-length string name for a different version).

    Except for those who experience bad Windows Update downloads on occasion - it has happened to most of us at some time or other - UUPtoISO ( la Kari) could not work otherwise.

    Note that the versions of all the files in their properties post-build-update by this method belong to the new version, and not to the version in the previous winsxs files.

    One thing that Microsoft is keen to avoid is the franken-dll-hell that happened with updates in Windows 7, requiring service packs to sort out the mess, hence the cumulative update model, which will hopefully correct any shortcomings of a delta-based build update by UUP, when it eventually arrives in its complete form.
     
    Fafhrd, Mar 2, 2017
    #7
  8. cereberus Win User

    An update on Unified Update Platform (UUP) for Windows 10

    Are you saying downloads all OS files anyway? If so where is the gain?
     
    cereberus, Mar 2, 2017
    #8
  9. Fafhrd Win User
    I see no evidence of a, say, reduction to 70% size of the new windows download compared to earlier versions - it's still around 2GB(+/-10%) for x86 and about 2.5GB(+/-10%) for x64 - these are files and folders using LZX compression, so they can be decompressed by a factor of up to 9x. the setup files as found in the Isos produced from these are typically 3.5GB to just over 4 GB for x64.

    So far there is no gain, but it will change, hopefully.
    However, if delta upgrades do start getting sent to us soon, there is no way to clean install, without an additional download of the full setup media, in the case of a screwed up update - so that's a double whammy.

    I'd prefer to get the full compressed download from WU, and the choice to create install media or to upgrade instead of the obligatory upgrade from the update files.
     
    Fafhrd, Mar 2, 2017
    #9
  10. Fafhrd Win User
    The EN-GB 15048 downloads folder \f898...etc., clocked in at 2.52 GB (2709047367 bytes) - pretty average for a full x64 download.

    An update on Unified Update Platform (UUP) for Windows 10 [​IMG]
     
    Fafhrd, Mar 2, 2017
    #10
  11. swarfega Win User
    Is UUP enables by default?
     
    swarfega, Mar 2, 2017
    #11
  12. Fafhrd Win User
    Yes, it is default method.
     
    Fafhrd, Mar 2, 2017
    #12
  13. swarfega Win User

    An update on Unified Update Platform (UUP) for Windows 10

    Thanks. I have to say, apart from build 15042 I've never had a problem with updating.
     
    swarfega, Apr 4, 2018
    #13
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An update on Unified Update Platform (UUP) for Windows 10

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