it's ok found it.
http://support.microsoft.com/kb/937624
"DX" <DX@> wrote in message
news:%23%...
> Hi,
>
> Got a piece of software that runs of a mapped network drive.
>
> I am setting up a workstation to connect to it. But the program is
> reporting back that it needs to be ran from X:\ENTRPRSE but vista is
> reporting it to be
> ran from \\server\entrprse
>
> I have mapped \\server\entrprse to drive x: but vista is still reporting
> a non 8.5 path format.
>
> Is there a setting etc.... to override this ?
>
> Thanks.
>
>