SearchWinIT.com reported that Microsoft and Citrix have joined together and standardized on a common Virtual Hard Disk (VHD) format. "In April 2006, Microsoft had inked a deal with XenSource Inc. for interoperability between both vendors' platforms. XenSource said it would use Microsoft's VHD format in its Xen 3.0 virtualization server. Citrix bought XenSource in late August...   read more »