text: Recently, there have been a number of inquiries about Microsoft's use
  of the term DFS to refer to its new file system. As many of you have
  pointed out, unfortunately, this has created confusion among our
  customers. To clarify, DFS is a trademark of Transarc Corporation.
  The product to which Microsoft has referred as "Dfs" is not related
  to Transarc's DFS product. In fact, there are a number of important
  technical differences between the products which have been
  enumerated in prior postings to this bboard.
  If you have any additional questions about this matter, please feel free
  to contact me directly. Thank you for your continued interest in our
  products!
  Laura Stentz
  Transarc Corporation
  Product Manager, File Systems