Apparently Windows doesn't automatically recreate the short file names for the existing files; it will do it for every new file you create. It also seems there is no easy way to force Windows to rebuild the short file names, you probably have to move all files to a temp folder. Try with a temp folder on the same drive, so the process doesn't take long; if it doesn't work, try moving them to a temp folder that's on a different drive. Then move them back to their original location.
Oh and find whoever/whatever had changed the setting to 1 and don't let them do that again :tongue:
