Am 17.12.2011 19:11, schrieb Lucélio Gomes de Freitas: > Reindl Harald, > > I did exactly this. > > I updated from Fedora14-x86_64 to Fedora16-x86_64 host, and I thought > VirtualBox-4.0 was ok. When I started > Winvista64 Guest I got the message: > > BOOTMGR is compressed Press Ctrl-Alt-Del to restart > > I did it, and the Winvista64 boot started again and stoped at the same point. > In a loop. I thought that the problem > was VirtualBox for Fedora14. I removed it. So I installed > Virtualbox-4.1-4.1.6 for Fedora16-x86_64. The same thing > is happening. Why bootmgr has changed? Anybody helps? The guest machine was > working untouched in a "Production" > more than a year. I only updated from Fedora14 to Fedora16. > > I got from VirtualBox forum: "we don't really support (fully) the distro > branches of VirtualBox". > > Would you please help to solve this problem.
sorry i am a vmware-user since years and had virtualbox only for some months on my notebook - but since we are using vmware ESX in our company for the whole production-environment i have no use for other virtualization-software and can not help you here maybe i can partially help: my expierience with virtualbox migrationto another host was that winxp did not start some times ago because the default-hardware of the vm has changed for whatever reason and after figure out the exactly settings from before it was solved primary a windows problem but on the other hand a reason more that i do not like vbox - configurations are seperated from virtual machines - with vmware you have the folder with your guest and it contains ALL including config (.vmx) and bios-settings (.nvram) and it does not upgrade/change virtual-hardware in any way without user-confirmation
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