If only windows had a who command like Linux... Any way, perhaps the
easiyist way is to open computer managment (on DC) then view Sessions
under shared folder. This will tell you all open file sharing
connections, which should be more or less what your after.
See tip 2890 » LoggedOn freeware locates where a user is logged on or who is logged onto a local or remote computer.
in the 'Tips & Tricks' at http://www.jsifaq.com
See tip 9400 » Which domain users are currently logged onto the consoles of domain computers?