id,summary,reporter,owner,description,type,status,component,version,resolution,keywords,cc,guest,host 20034,CMPXCHG16B is not provided to Windows Server 2019 guests,fth0,,"The hack in [https://www.virtualbox.org/browser/vbox/trunk/src/VBox/Main/src-client/ConsoleImpl2.cpp?rev=86506#L936 ConsoleImpl2.cpp?rev=86506#L936] obviously cannot work for ""Windows 2019 (64-bit)"" as ""Guest OS Version"". The Windows Server 2019 installer runs up to an INT3, leading to a Guru Meditation (see forum topic [https://forums.virtualbox.org/viewtopic.php?f=6&t=100531 VMs crash when VM OS Version set to Window 2019] for a VBox.log file if necessary).",defect,closed,other,VirtualBox 6.1.16,fixed,CMPXCHG16B,,Windows,Windows