Have you assigned permissions in the Security tab? Or this post may help.
The network name cannot be found
2 posts - Last post: Oct 9, 2007
Refer to Vista common issue - can see but access ... has occurred -
The network name cannot be found. "Network path not found" in a domain . ...
Bob Lin, Microsoft-MVP, MCSE & CNE
Networking, Internet, Routing, VPN Troubleshooting on
How to Setup Windows, Network, VPN & Remote Access on
"Newbie123" <firstname.lastname@example.org> wrote in message
> Using Vista Buisness 32 I'm mapped to a cloud server drive Z//books. But
> when I try to map another letter to a subfolder; W//books/chapter1, I get
> error 08x0070043 "network name cannot be found". I can go to Z and browse
> through all its files and folders, i can see and go into chapter1, but I
> can't map to it!! WTF?
> I'm logged in as admin, the cloud server is Fat32, but I already have and
> established working map drive Z.
> Any suggestions?