Problem accessing network mapped drives under vista

Hi,

I'm new to Vista (I guess most of us are) and not much of network
admin (a programmer mostly). We have a dot.net windows app (written in
2003). The app has some directories it uses that defaults to the c:
drive. If you change the directory (inside the app config file) from
the c: drive to a mapped drive on a network server, it will create
those directories on the network server if they don't exist. Obviously
the user has to have access to that server. But this has worked in the
past.

Enter vista. This no longer works, even for users that are
administrators on the network server. Well it almost doesn't work. If
I set the icon for the app to "run as administrator", it does work.
However I get one of those lovely Vista allow/disallow dialogs. This
is not terrible but will be annoying for the user. Is there any way to
let vista know that it's okay to create/access these network
directories without intervention. I'm asking because I assume this
issue will come up quite a bit with vista.

One last thing. Since the app is trying to create and use these
directories is the user the app user (e.g. the aspnet work process in
asp.net) or the real user behind the keyboard. In other words, "who is
try to use these network directories"? Sorry for my ignorance but I'm
try to correct that :-).

Any help would be appreciated.

Fig