Hi All After doing all the windows 10 latest updates I have a error saying *Windows upgrade was detected... Any ideas how to fix this or is there a newer version of Sysprep Creator ? I have v.3.7.2.1 ...
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  • Same problem here. Installed windows 10 and was able to sysprep fine. Create a new vm, installed windows 10, did update after update and suddenly I had a windows.old folder. cleaned up unnecessary files, deleted windows.old - try to sysprep and get Windows upgrade was detected. It's got to do with the updates. Need a fix.
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For some reason, one of the big updates for Windows 10, forces it to be considered an upgrade.  I don't know why.  It is recommended that you build your image from newer media that already has the update in it.
-Corey
Answered 04/25/2016 by: cserrins
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Is it an upgraded OS?  If so, then building an image from it is both unsupported and not recommended.  However, there is a reg workaround:

http://www.harrycaskey.com/how-to-run-sysprep-on-an-upgraded-operating-system/
Answered 04/25/2016 by: nheyne
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Hi

Not an upgrade from Windows 7 or 8.1, I installed Windows 10 and then did the updates...

thanks

Answered 04/25/2016 by: psaussey
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Any update on this one? I have done a clean install of Win10 ent. Ran updates and then tried to sysprep but got the same error.
Answered 08/25/2016 by: DLCurtis
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