Under Edit Virtual Machine -> System -> (Advanced Parameters) there is a Custom CPU Type you may be able to set, are all the hosts in the same cluster?
Tom Gamull > On Dec 21, 2016, at 9:16 AM, Nicolas Ecarnot <[email protected]> wrote: > > Tom, > > Thank you for answering. > > Le 21/12/2016 à 14:47, Tom Gamull a écrit : >> Something is triggering the activation that windows is detecting as a >> change in hardware. > > Our DCs are made of hosts from 3 different models, so chances are that > windows is detecting a different CPU ID or something (that is a pity, as I > thought all this was hidden to the guest) > >> I’ve not had this problem on 2012 or past versions, > > It may be true that we only encountered these issues on 2008 R2 guests. > >> you’ll usually encounter it when changing the hardware drivers (such as >> converting from physical to virtual). Generally you want to install >> compatible drivers (like the ovirt windows guest tools). > > Every guests here is installed with oVirt guest tools. > Since then, we made no driver change, neither on hosts nor guests. > >> A good >> practice though is to snapshot before you make a change such as drivers >> in case you need to set the activation key. >> For Desktops in VDI when you use a gold image, you generally make a >> snapshot before activation - see here for an answer >> - >> https://social.technet.microsoft.com/Forums/en-US/25c4c85c-c8a9-4316-8bfa-d3b7848e6dc6/microsoft-vdi-collections-and-activation?forum=winserver8setup > > I'm not sure this was relevant. > >> what kind of activation keys are you using? > > Further readings lead me to think that the kind of key IS the main reason I'm > facing this. > >> Do you have KMS server? > > No. I was told to be very prudent with using KMS servers, so not planned. > > -- > Nicolas ECARNOT
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