DFSUTIL.EXE is a command line tool to manage Windows Server DFS Namespaces.

In Windows Server 2003 and Windows Server 2003 R2, DFSUTIL.EXE was included as part of the “Windows Server Support Tools” in the Windows Server CD.

A common question by DFS administrators upgrading to Windows Server 2008 and Windows Server 2008 R2 is “Where is DFSUTIL.EXE?"

Well, DFSUTIL.EXE can be installed in a few different ways, depending on your situation.

--> The rest is on Jose's Blog :

http://blogs.technet.com/b/josebda/archive/2010/05/02/where-to-find-dfsutil-exe-for-windows-server-2008-and-windows-server-2008-r2.aspx