Microsoft has posted a good PDF explaining some of the ins and outs and features of HyperV at: http://www.microsoft.com/downloads/details.aspx?FamilyID=a5002c32-c053-4ffa-be09-71b82b9f51fe&DisplayLang=en -- Jim Kenzig Microsoft MVP - Terminal Services Citrix Technology Professional Blog: http://www.techblink.com