Check you permissions for the drive. We had one drive on NT suddenly
stop backing up. We reset the permissions and the problem was fixed.
(I can't remember now which permissions we changed)

Eric van Loon wrote:
>
> Hi ADSM-ers!
> I have a NT server with 2 drives: C: and D:, both labelled.
> When I issue a DSMC i to start an incremental, both disks are backed up.
> When an incremental is started through the scheduler only disk C: is backed 
> up.
> No errors can be found in the DSMSCHED.LOG or the DSMERROR.LOG and no option 
> file overruling is done.
> Anybody seen this before??
> Thanks for your reply in advance!!
> Kindest regards,
> Eric van Loon