Virtual Appliances:Microsoft VHD
From rPath Wiki
Virtual Appliances --> Microsoft VHD
rBuilder can be used to create virtual appliances ready for use in Microsoft® Virtual Server.
Read more about the rBuilder build type used to create Microsoft® VHD virtual appliances.
See Microsoft® VHD Enabled Appliances for some fully functional examples of appliances based on rPath Linux that can be downloaded and installed in a Microsoft virtual machine.