Posted by Tom Fulton on January 06, 2011 at 13:52:23:
See my post from Sept 22, 2010. Same issue happened today. Copyfile returns the codes that said the transfer worked correctly yet a zero-byte file is created. I think I'm going to schedule a task to restart this periodically.
Each file can be a maximum of 1MB in length Uploaded files will be purged from the server on a regular basis.