Windows 7 Ultimate SLIC/SLP activation to Windows 10 Pro error 0xc004c003

Discussion in 'Windows 10' started by Obelix, Jul 27, 2015.

  1. Obelix

    Obelix MDL Junior Member

    Oct 2, 2008
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    Hi,

    i upgraded my SLP/SLIC activated Windows 7 Ultimate to Windows 10 Pro. But when i try to activate it, the comes an error message 0xc004c003 (blocked product key).

    Is this normal?

    Obelix
     
  2. coleoptere2007

    coleoptere2007 MDL Guru

    Apr 8, 2008
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    #2 coleoptere2007, Jul 27, 2015
    Last edited: Jul 27, 2015
    upgrade must be done with an internet connection open :) no needs to open a new thread ==> FAQ
     
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  3. Obelix

    Obelix MDL Junior Member

    Oct 2, 2008
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    Thanks for the answer! Is there anything i can do afterwards? Or do i have to reinstall again?
     
  4. Obelix

    Obelix MDL Junior Member

    Oct 2, 2008
    78
    3
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    I started over and it worked with enabled Internet connection on the old Windows 7 installation.