Re: [ovirt-users] Windows Product Activation

On 22 Dec 2016, at 22:02, Nicolas Ecarnot <nicolas(a)ecarnot.net&gt; wrote: Le 22/12/2016 à 17:26, Yaniv Kaul a écrit : > Windows activation, at least for 2008 and below, depend on enough hardware changes to happen. Each HW (of non-pluggable devices) change is a single 'penalty' point - except for NIC (based on MAC address) which is more. 4 or so points - and it requires re-activation. This does not apply to KMS licenses. > > So unless you drastically change the hardware, you should be safe. > Y. Hello Yaniv, When migrating, these VMs can jump from a recent hardware host to an older one, with a different generation CPU (though of the same intel kind). I read more about this WPA issue, and I also checked : all our licences are MAK_B kind, which I read everywhere that they should not induce such WPA trouble, once they are correctly registered (which I obviously take care of). I also read the list of components that are checked to create a hashed key linked to the licence. As you wrote, changing to many components is triggering a validity break. Knowing this, may I ask you to comment on the promising "VM Custom Serial Number" Alex was talking about : it sounded perfect, but eventually not enough to cope with the hardware change?

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