Mitch Patenaude wrote: > On Tue, 4 Jan 2011, Jerry Geis wrote: >> >> All - I am running a virtual windows 7 (pro 64) on centos 5.5 >> x86_64. >> >> I was hoping to run virtual XP inside windows7 in this configuration. >> >> >> >> I get an error about cannot start virtual XP when I try this. >> >> Do I not have something setup correctly or can I not run a "double" >> >> virtual environment? > > In general, it is not possible to nest virtualization environments. <snip> I'd add that all you need to do, if you could get this working, is to open a command window, and you'd have *exactly* the same performance as if you were running the original PC, on an 8088 with the o/s loaded from floppy drives.... mark