Anche se completamente NON SUPPORTATO ecco il modo per installare la CTP della versione 2 di PowerShell su Windows 2008 Server Core (e anche il Fx 2.0 SP1, per gradire):

One of my true delights, as a PowerShell MVP, has been to see the incredible PowerShell community grow and attract some really super smart people. Dmitry's another of those incredible people who's brought so much to the community (e.g. the PowerShell AD cmdlets - Dmitry's from Quest!).

And now he's gone and done it again. His blog post:PowerShell on Server Core does what you expect from a title of that name - it tells you how to get Server Core run PowerShell.

Altre info alla Fonte: PowerShell on Server Core