I had this working under Windows XP but now I've switched to 7 it no longer works. I can set up the USB drive in FTP mode but then it all goes wrong. Entering \\192.68.1.1 gets to the network but then it is impossible to get a User name and Password accepted when the "Enter Network Password" window pops up.
Google searches suggest that Windows has problems with Samba. Various sites suggest running secpol.msc but W7 Home Premium doesn't know about secpol. I gather it is an 'Ultimate' feature.

Also, could it be the version of Samba in the router? If so is there a Draytek update for the 2710?

Finally, a USB-attached drive performs poorly, so I'm considering a Network drive. But do these use Samba? If so I suspect they might not work.

Can anyone help with these issues please?

I know this is a reply to my own email but....
Suddenly everything is working. I'm totally mystified. I tried to update my Draytek firmware but failed because the updaater refused my admin password. Actually it tried to 'Send' once and failed so everything was reset. I made sure ZoveAlarm was correctly configured. Then I tried again and it was OK. :o

Santa fixed it...