While Microsoft Virtual Server will only install on a Windows 2003 Server host system, VMware will happily run on a wider range of Windows servers from 2000 up as well as Linux servers.

In our Clear Choice Test, Virtual Server 2005 proved itself well worth the money because it lets you run multiple instances of Windows on the same machine.

Going Virtual Microsoft's latest virtual server offering, Virtual Server 2005, is expected in the latter half of 2004.

Microsoft Virtual Server 2004 entered the private beta testing stage on Wednesday, and Microsoft says the product will be generally available in the first half of the year.

Virtual Architect Preparing Host Servers for Hyper-V Microsoft's hypervisor is stable and solid, but the vulnerability of the underlying operating system requires vigilant updating. By Danielle Ruest ...

Microsoft Virtual Server 2005 allows for the virtualization of multiple server instances on a single hardware platform running Windows Server 2003. For example, as hardware support for older ...

Microsoft also highlights Windows Server 2008 with its Hyper-V hypervisor and Microsoft System Center, two platforms designed to help hosting providers leverage virtualization to lower costs.

Microsoft’s planned Virtual Server Manager, code-named Carmine, will spawn much-needed opportunities for the software vendor's partners.

Previously, Microsoft’s virtualization hosting software, called Hyper-V, could only be installed on machines running Windows Server.

Microsoft Virtual Server can only exist on a Windows 2003 Server or XP Pro Host while GSX Server is far more cosmopolitan with host software for many flavours of Linux.