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In Hyper-V on Windows Server 2012R2 you are able to create the next generation of VMs – Generation 2, which is without legacy components. Those machines works better, but you are unable to transform existing VM from Generation 1 to Generation 2.
However, Microsoft published a script, which transforms VM, form Generation 1 to Generation 2. It is not an “upgrade” for VM, it is a creation of a new Generation 2 VM from the existing Generation 1 VM.
Be careful before you proceed with transformation and read all the documentation!
The script can be downloaded here.

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About me


I am working in IT for more than 10 years, concerning most of my time with small companies. A result of this work is a good knowledge of problems and products used in that companies, like Windows Small Business Server, System Center Essentials, Windows OS ecc.
In the last three years I am also Microsoft Partner Area Lead for CEE and Slovenia and I lead a Slovenian SBS Community on Microsoft.
In my privat life I like listen to rock music, archery and constructing biiig houses with Lego cubes – of course with my son!