July, VMware created the first x86 server virtualization product. Egenera, Inc. launches their Processor Area Network (PAN Manager) software and BladeFrame chassis which provide hardware virtualization of processing blade's (pBlade) internal disk, network interface cards, and serial console. 2003 First release of first open-source x86 hypervisor, Xen February 18, 2003, Microsoft acquired virtualization technologies (Virtual PC and unreleased product called "Virtual Server") from Connectix Corporation.