The Register: No server Longhorn, but big .NET Server changes due in 2004 "Valentine confirmed that Longhorn would be client only, and said it would be due no sooner than mid- to late 2004. But the new file system for Longhorn will require major server side changes, delivered as a service pack or some kind of add-on pack. According to The Register's eye-witness he said Longhorn used a genuine new store, rather than a "lashup of .NET frame work 'children of OLE-DB' strung together."