Finding out which client process is using a Windows network share
Posted by jpluimers on 2011/06/16
Sometimes when you want to release a network drive you get an error message that something still uses it:
C:\>net use h: /d
The device is being accessed by an active process.
More help is available by typing NET HELPMSG 2404.
Finding out about that something is the trick.
Luckily, Process Explorer allows you to search for handles pointing to resources that start with \device\lanmanredirector, as ASK-LEO explains.
–jeroen
The Wiert Corner - irregular stream of stuff 
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