Please check the eZ Publish issue tracker. There are a lot of troubles with the windows webdav client(s) - some of the problems are detailed in reported issues. Also iirc some comments in the online doc might be helpful.
First thing to do is usually to upgrade the windows webdav components.
Principal Consultant International Business
Member of the Community Project Board
I don't know if it is the best way to proceed but I would like to know if the WebDAV features is in the eZ Pipe and in a close release it will be easy to make it work ?
