Mapped Drive problem -Attempt to Compromise Security?

> You guys ever figure this out. This started happening to me when I upgraded
> to Vista. I map to my 64 Bit Windows Server (which is another domain) . I
> can map drives just fine, but when I try to run and setup.exe program I get
> that security error. I have to copy the files locally then run them.
>
> "indianabeck" wrote:
>

> > I have a similar problem. I don't know if the amount of time is random
> > though. Here is what I'm trying:
> >
> > Change the setting: "Microsoft network server: Amount of idle time required
> > before suspending a session" - The maximum one can set it to is 99999. We'll
> > see if this solves the problem.
> >
> > Local Security Policie\Security Options\Microsoft network server: Amount of
> > idle time required before suspending a session
> >
> > "S8ER" wrote:
> >

> > > I have a few mapped drives that I use in our domain. After a random period
> > > of time they drop offline and when I attempt to access them i receive "The
> > > System Detected a possible Attempt to Compromise Security. Please ensure
> > > that you can contact the server that authenticated you."
> > >
> > > When you click ok the drives remain unavailable and I am unable to remap
> > > them as the remote server is unreachable. I have deleted the cached
> > > credentials in the past and restored connnectivity but at this time I have no
> > > cached credentials and no resolution.
> > > I found a fix for 2003 Server regarding maxicmp requests or something. Is
> > > this related or a new problem?