ESEUTIL to copy files?
Every Exchange Administrator knows what ESEUTIL does. It can be used to defragment the Exchange databases and recover free space or to repair them (knock on wood).
What probably you didn't know (I know I didn't) is that, according to the Microsoft Performance Team, ESEUTIL is the best utility to copy large files over the network. The syntax for ESEUTIL is very simple: eseutil /y <srcfile> /d <destfile>.
Read the full post Slow Large File Copy Issues.
(Source: Flaphead's blog)