While some of the differences between Microsoft’s Hyper-V and VMware’s ESX are minimal, there are some significant enough to be deal-breakers. “For one thing, only the more mature ESX Server has the capability of using a 32-bit OS as the host. The same is true of sharing memory between VMs; Hyper-V can’t do it,” J. Peter Bruzzese writes in this week’s installment of Enterprise Windows. “However, pricing of Hyper-V is significantly lower than ESX because the Hyper-V role is directly part of Server 2008.” And Bruzzese urges readers to bear in mind that Hyper-V and VMware are only two of the available options. Software Development