Windows 10: Win 10 Activation failed (Error code: 0xC004C003)

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  1.    30 Jul 2015 #1

    Win 10 Activation failed (Error code: 0xC004C003)


    ok so I was going to do a clean install of windows 10 after I upgraded using the media creation tool you can see a post I made here I used the media creation to put win 10 home on a usb then I went to install I skipped the product key part because I already activated when I upgraded from 7 after it finished everything looked fine but when I went to check my activation this is what I got when I click error details
    it says: "The activation server determined the specific product key has been blocked. (Error code: 0xC004C003)
      My ComputerSystem Spec

  2.    30 Jul 2015 #2

    I would guess it's a server overload.. just keep trying. When I upgraded yesterday I encountered the same issue but in a few hours I was able to activate.

    Jeff
      My ComputerSystem Spec

  3.    30 Jul 2015 #3

    BunnyJ said: View Post
    I would guess it's a server overload.. just keep trying. When I upgraded yesterday I encountered the same issue but in a few hours I was able to activate.

    Jeff
    when you mean keep trying you mean like reboot or something or like just wait it out ?
      My ComputerSystem Spec

  4.    30 Jul 2015 #4

    MrOblivion said: View Post
    when you mean keep trying you mean like reboot or something or like just wait it out ?
    No.. just try activating every so often.. maybe every hour or so. That's what I did.
      My ComputerSystem Spec

  5.    30 Jul 2015 #5

    I just tired the slmgr.vbs /ato thing and a few seconds after it just tells me the server as decided to block my key.. I really hope I didn't screw myself over lol
      My ComputerSystem Spec

  6.    30 Jul 2015 #6

    MrOblivion said: View Post
    I just tired the slmgr.vbs /ato thing and a few seconds after it just tells me the server as decided to block my key.. I really hope I didn't screw myself over lol
    I would not use that and just activate it the "regular" way.
      My ComputerSystem Spec


  7. Posts : 8
    windows 10 pro
       30 Jul 2015 #7

    BunnyJ said: View Post
    I would not use that and just activate it the "regular" way.
    Hi BunnyJ, may I ask you what is the regular way because I'm in the same situation, there isn't any activation button just Change product Key and go to Store button. I updated from windows 8.1 pro to windows 10 pro succesfully yesterday, i checked a few times it was activated, then i decided to do a clean install via USB drive with the Microsoft tool, but now I am finding this problem since yesterday evening.

    Any help would be appreciated.

    Thanks
      My ComputerSystem Spec

  8.    30 Jul 2015 #8

    BunnyJ said: View Post
    I would not use that and just activate it the "regular" way.
    this is how I got mine working tbh
      My ComputerSystem Spec


  9. Posts : 8
    windows 10 pro
       30 Jul 2015 #9

    Juelz said: View Post
    this is how I got mine working tbh
    How did you do it? because i don't have any activation button, just Change Product Key and Go to Store buttons.

    Regards
      My ComputerSystem Spec

  10.    30 Jul 2015 #10

    Same here.
    Click image for larger version. 

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      My ComputerSystem Spec


 
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