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I'm in the process of transferring very large files over an unreliable network connection using normal SMB (windows share folder). Of course, using Windows Explorer means that any time that connection is interrupted, all progress were lost, and any files that were in-process were corrupted.
Does it need to be this arduous? Is there an equivalent of a download manager that can actively manage the pushing of data out to an SMB share and reliably pause/resume if the network connection falters?
I've had success with Sysinternals Process Explorer. With this, you can search to find what process(es) have a file open, and you can use it to close the handle(s) if you want. Of course, it is safer to close the whole process. Exercise caution and judgement.
To find a specific file, use the menu option Find->Find Handle or DLL... Type in part of the path to the file. The list of processes will appear below.
If you prefer command line, Sysinternals suite includes command line tool Handle, that lists open handles.
Examples
c:\Program Files\SysinternalsSuite>handle.exe |findstr /i "e:\" (finds all files opened from drive e:\"c:\Program Files\SysinternalsSuite>handle.exe |findstr /i "file-or-path-in-question"
Best Answer
I've had good luck with a program called teracopy too. And they have a free version for home use.
http://www.codesector.com/teracopy.php
We use it all the time for big copies or for coping files off marginal hard drives.