This seems to highlight the concerns that led Microsoft to make WHS exclusively and OEM product. For the general public much of what a computer does is already something of a mystery. It becomes even more complicated when you add networking, and especially network-based storage into the mix. However, with the proliferation of large multimedia files, and the need for ever-increasing storage levels it's not surprising that many people would turn to such a solution.
"Until an update for Windows Home Server is available, we recommend that do not use the programs that are listed in this article to save or to edit program-specific files that are stored on a Windows Home Server-based system," according to Microsoft.
Source: PC Magazine