On Wed, Oct 14, 2015 at 12:18:10AM +0300, Michael S. Tsirkin wrote: > On Tue, Oct 13, 2015 at 04:10:03PM -0300, Eduardo Habkost wrote: > > One of the things that may break if guest-visible bits of the machine > > change is Windows license activation, but the rules Windows use to > > trigger reactivation aren't very clear. > > They are easy to find on the internet.
I couldn't find them[1]. If you have a pointer to a clear description of the rules for all Windows versions, I would love to see it. [1] All I have found were things like: "Do I need to activate Windows after making a hardware change? Maybe. [...]" http://windows.microsoft.com/en-us/windows/activating-windows-faq#1TC=windows-7 "Microsoft is characteristically shy about discussing the details of activation. [...]" http://www.zdnet.com/article/microsoft-quietly-rewrites-its-activation-rules-for-windows-10/ "What triggers the need to reactivate Windows? As intended, each hardware component gets a relative weight, and from that WGA determines whether your copy of Windows 7 needs reactivation. The weight and the number of changes is apparently a guarded secret. If you upgrade too much at once, WAT decides that your PC is new, and things can get messy. The actual algorithm that Microsoft uses is not disclosed, [...]" http://searchitchannel.techtarget.com/feature/How-Windows-7-hardware-upgrades-affect-licensing -- Eduardo
