The abnormal termination is worrying as it may mean data might be lost.

> > > Now my new question:
> > >
> > > Could it be, that my DB doesn't get enough time (because of
> NTVDM)
> > > when the sweep function kick in ?
> > You never know, you have an unusual situation. You need to remove
> > possibles:
> > 1) Establish it is happening when the sweep is occuring.
> > 2) If yes to the above reduce the priority of the NTVDM when the
> sweep is
> > about to kick in.
> > 3) Remove the NTVDM when the sweep is about to kick in.
> >
> > > Does sweep ALWAYS sweep when the difference i 20000 exactly or
> just
> > > shortly after ?
> > Don't know.
>
> I'm already in the progress of doing some of that.
> I have considered disabling SWEEP, and then do a manual sweep every
> night at 4.

Let us know about how it goes.

JAC.