Take a close look at the schedule log and error log, I've seen this
when a backup partially fails (one drive fails to backup or a post
or pre schedule command fails)

Greg Heis wrote:
>
> Hello,
>
> I am getting this error in the dsmsched.log even though the scheduled backup
> seems to complete successfully.
>
> ANS1512E Scheduled event 'GRID' failed.  Return code = 4.
>
> Anyone run into this before?
>
> Greg Heis
> FedEx