First off, my configuration is Windows Server 2003 R2 Enterprise SP2, running IIS6. I don't have any way of knowing at what point this problem started happening, but for some reason some FTP clients seem to be ignoring the rules of FTP virtual directories. I have the "Default FTP Site"...

I'm trying to upload files to my FTP server (Win2003 IIS6) using a command prompt batch file (basically just login, then a PUT). User logs in fine, but problems when attempting to PUT. If file is less than 131070 bytes, it works fine. If more, it nearly always stops at exactly 131070 with the following...