1. Enthousiast

    Enthousiast MDL Tester

    Oct 30, 2009
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  2. Enthousiast

    Enthousiast MDL Tester

    Oct 30, 2009
    47,263
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  3. j boomer

    j boomer MDL Novice

    Sep 20, 2017
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    Hi, a few MS services failed on me in the last few days and I realised it's probably best to upgrade, however to my horror realised I'm still on LTSB 16!

    I was reading in earlier posts in this thread that it's possible to upgrade from LTSC 19 to IoT LTSC 21, however can I go from LTSB 16 to LTSC 16/19/21? If so could anyone let me know what are the best steps to take or if there's an FAQ regarding this? (I've looked but couldn't find much)

    Thanks to anyone that can help
     
  4. Carlos Detweiller

    Carlos Detweiller Emperor of Ice-Cream

    Dec 21, 2012
    6,341
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    Only by ISO. No idea if it's possible to upgrade LTSB 2016 to LTSC 2021 directly, but upgrading 2016 to 2019 first, then 2019 to 2021 should work.

    Note that depending on your activation channel, you will need new keys and reactivate. KMS keys are shared between LTSC 2019 and 2021.
     
  5. Enthousiast

    Enthousiast MDL Tester

    Oct 30, 2009
    47,263
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    #2725 Enthousiast, Oct 28, 2022
    Last edited: Oct 28, 2022
    (OP)

    Attached Files:

    • ei.rar
      File size:
      98 bytes
      Views:
      52
  6. maitschl

    maitschl MDL Novice

    Oct 29, 2022
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    Hello! I bought a key for Windows 10 Enterprice LTSC 2021 online and am trying in vain to activate the product. Always get the error message: The communication with the servers was not possible etcetc... 0x..
    I loaded the ISO in the Microsoft Evaluation Center. Does anyone have an idea/tip on how I can do it? Thank you
     
  7. qwesta

    qwesta MDL Senior Member

    Jul 22, 2011
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    send me a PM please
     
  8. Windows_Addict

    Windows_Addict MDL Expert

    Jul 19, 2018
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    Stop hovering to collapse... Click to collapse... Hover to expand... Click to expand...
  9. maitschl

    maitschl MDL Novice

    Oct 29, 2022
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    thank you. but is the source Legit?? I'm always a little skeptical/cautious about ISOs ^^
     
  10. Windows_Addict

    Windows_Addict MDL Expert

    Jul 19, 2018
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    Stop hovering to collapse... Click to collapse... Hover to expand... Click to expand...
  11. maitschl

    maitschl MDL Novice

    Oct 29, 2022
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    cool! thank you guys :)
     
  12. Vogon

    Vogon MDL Novice

    Feb 14, 2020
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    #2735 Vogon, Oct 29, 2022
    Last edited: Oct 29, 2022
    I am trying to do an in place upgrade of win10 LTSC 1809 to win10 LTSC 2021. After reading many posts and links it seems that the standard procedure is download the required EVAL ISO and patch it with the appropriate SVF patch... mount the iso, run setup etc... Is there a patched iso available?
     
  13. maitschl

    maitschl MDL Novice

    Oct 29, 2022
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    if I reinstall ltsc on my device, is it possible to use the same key again to activate it?
     
  14. dorfd1

    dorfd1 MDL Senior Member

    Sep 10, 2015
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    Yes
     
  15. Vogon

    Vogon MDL Novice

    Feb 14, 2020
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    #2739 Vogon, Oct 30, 2022
    Last edited by a moderator: Oct 30, 2022
    Thanks abbodi1406 for clarifying my "old school" terminology.. and thanks also to Enthousiast for his helpful posts.

    I am testing this upgrade method on an old dell m6600 laptop circa: 2012 which had win7 pro. I have several computers running win10 ltsc 1809 that I will upgrade if this method goes smoothly. With the laptop upgrade there are two issues to solve First, there are some missing drivers such as broadcom USH driver, mass storage driver and unknown device which I can search for solutions from Dell support site. Second, more bothersome is that task manager closes automatically if I click on the Performance tab. All other tabs work fine. I like numbers and I want to check how many processes are running etc.... Is this a common problem and is there a solution?
     
  16. yozzcta

    yozzcta MDL Junior Member

    Jan 3, 2011
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