On Dec 21, 2016, at 9:16 AM, Nicolas Ecarnot <nicolas@ecarnot.net> = wrote: =20 Tom, =20 Thank you for answering. =20 Le 21/12/2016 =C3=A0 14:47, Tom Gamull a =C3=A9crit :
Something is triggering the activation that windows is detecting as a change in hardware. =20 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) =20 I=E2=80=99ve not had this problem on 2012 or past versions, =20 It may be true that we only encountered these issues on 2008 R2 = guests. =20 you=E2=80=99ll 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). =20 Every guests here is installed with oVirt guest tools. Since then, we made no driver change, neither on hosts nor guests. =20 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=3Dwinserver8se= tup =20 I'm not sure this was relevant. =20 what kind of activation keys are you using? =20 Further readings lead me to think that the kind of key IS the main = reason I'm facing this. =20 Do you have KMS server? =20 No. I was told to be very prudent with using KMS servers, so not =
--Apple-Mail=_35C6AD02-B681-47D7-A574-05865EDDA0F6 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 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 planned.
=20 --=20 Nicolas ECARNOT
--Apple-Mail=_35C6AD02-B681-47D7-A574-05865EDDA0F6 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8 <html><head><meta http-equiv=3D"Content-Type" content=3D"text/html = charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; = -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" = class=3D"">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?<br class=3D""><div class=3D""> <div style=3D"color: rgb(0, 0, 0); font-family: Helvetica; font-size: = 12px; font-style: normal; font-variant-caps: normal; font-weight: = normal; letter-spacing: normal; orphans: auto; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; widows: = auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=3D""><span= style=3D"color: rgb(34, 34, 34); font-family: arial, sans-serif; = font-size: 13px; background-color: rgb(255, 255, 255);" class=3D""><br = class=3D"Apple-interchange-newline">T</span><span style=3D"color: = rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 13px; = background-color: rgb(255, 255, 255);" class=3D"">om Gamull</span></div> </div> <br class=3D""><div><blockquote type=3D"cite" class=3D""><div = class=3D"">On Dec 21, 2016, at 9:16 AM, Nicolas Ecarnot <<a = href=3D"mailto:nicolas@ecarnot.net" class=3D"">nicolas@ecarnot.net</a>>= wrote:</div><br class=3D"Apple-interchange-newline"><div class=3D""><div = class=3D"">Tom,<br class=3D""><br class=3D"">Thank you for answering.<br = class=3D""><br class=3D"">Le 21/12/2016 =C3=A0 14:47, Tom Gamull a = =C3=A9crit :<br class=3D""><blockquote type=3D"cite" class=3D"">Something = is triggering the activation that windows is detecting as a<br = class=3D"">change in hardware.<br class=3D""></blockquote><br = class=3D"">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)<br class=3D""><br = class=3D""><blockquote type=3D"cite" class=3D"">I=E2=80=99ve not had = this problem on 2012 or past versions,<br class=3D""></blockquote><br = class=3D"">It may be true that we only encountered these issues on 2008 = R2 guests.<br class=3D""><br class=3D""><blockquote type=3D"cite" = class=3D"">you=E2=80=99ll usually encounter it when changing the = hardware drivers (such as<br class=3D"">converting from physical to = virtual). Generally you want to install<br class=3D"">compatible = drivers (like the ovirt windows guest tools).<br = class=3D""></blockquote><br class=3D"">Every guests here is installed = with oVirt guest tools.<br class=3D"">Since then, we made no driver = change, neither on hosts nor guests.<br class=3D""><br = class=3D""><blockquote type=3D"cite" class=3D""> A good<br = class=3D"">practice though is to snapshot before you make a change such = as drivers<br class=3D"">in case you need to set the activation key.<br = class=3D"">For Desktops in VDI when you use a gold image, you generally = make a<br class=3D"">snapshot before activation - see here for an = answer<br class=3D"">- <a = href=3D"https://social.technet.microsoft.com/Forums/en-US/25c4c85c-c8a9-43= 16-8bfa-d3b7848e6dc6/microsoft-vdi-collections-and-activation?forum=3Dwins= erver8setup" = class=3D"">https://social.technet.microsoft.com/Forums/en-US/25c4c85c-c8a9= -4316-8bfa-d3b7848e6dc6/microsoft-vdi-collections-and-activation?forum=3Dw= inserver8setup</a><br class=3D""></blockquote><br class=3D"">I'm not = sure this was relevant.<br class=3D""><br class=3D""><blockquote = type=3D"cite" class=3D"">what kind of activation keys are you using?<br = class=3D""></blockquote><br class=3D"">Further readings lead me to think = that the kind of key IS the main reason I'm facing this.<br class=3D""><br= class=3D""><blockquote type=3D"cite" class=3D"">Do you have KMS = server?<br class=3D""></blockquote><br class=3D"">No. I was told to be = very prudent with using KMS servers, so not planned.<br class=3D""><br = class=3D"">-- <br class=3D"">Nicolas ECARNOT<br = class=3D""></div></div></blockquote></div><br class=3D""></body></html>= --Apple-Mail=_35C6AD02-B681-47D7-A574-05865EDDA0F6--