windows 2012: viewing open files/sessions
i recall the process of viewing which users had what files open on a file server being straight forward in 2008. in 2012 it’s not so much.
to bring up a Shared Folders mmc in 2012 run fsmgmt.msc
source:
https://www.reddit.com/r/sysadmin/comments/3cfqfj/how_do_i_view_open_sessionsshared_files_on_server/