What is the difference between Windows Vista Ultimate and Windows Enterprise?
The Windows Vista Ultimate version can be provided through PC OEM’s. The Windows Vista Enterprise edition can only be purchased directly from Microsoft and requires the purchase of a Software Assurance agreement in addition to a Microsoft software license. b) Both Windows Vista Enterprise and Ultimate provide support for simultaneous installation of multiple user interface languages, subsystem for UNIX-based applications, support for BitLockerTM and Virtual PC Express, not available in other Windows Vista SKUs (except for Virtual PC Express in Windows Vista Business). c) Only Windows Vista Enterprise grants the right to run up to 4 copies of Windows (any version) in virtual machines, not included in the Ultimate or Business SKUs. Windows Vista Ultimate provides support for consumer media center functions, not found in the Enterprise SKU.