I found out a bit more from the product group. It seems some legacy operating systems, like Windows NT 4.0, bugcheck if they perform a CPUID and have more than three leafs returned. The checkbox is there to allow us to try and get them working. So I was on the right track after all. I still think this functionality does limit what ...

In my previous post I discussed how I went about trying to determine the differences in processor functionality provided by Hyper-V's Limit Processor Functionality (LPF) checkbox. You probably want to read through that in order to get the necessary background to understand this final instalment. In this post I discuss how you can determine: If ...

Recently I became rather intrigued with Hyper-V's Limit Processor Functionality (LPF) function. One little checkbox became such an obsession that I start wasting hours of my time trying to find out exactly what it does. The dialogue says, ''Limit processor functionality to run an older operating system such as Windows NT on this virtual ...