Status: Fixed
USN is now activated by default on windows, but requires Administrative privileges.
If it fails to activate, it is silently ignored, and normal filesystem enumeration is used.
Set --usn-policy to:
"on" to get a warning if it fails,
"required" to abort the backup if it fails
"off" to disable USN
"auto" to silently ignore a fail
git-svn-id: https://duplicati.googlecode.com/svn/trunk@584 59da171f-624f-0410-aa54-27559c288bec
morten@momi.dk