Task scheduler credentials

[Ben Hinshaw]

I am attempting to use Task Scheduler on 3 servers running
2K Server SP4. Each night at 11, the scheduler calls on a
batch file to run the designated backups for that night.
I have assigned the Run as: account to the local
administrator and password account. Everything, every
night works fine for approx. a week to a week and a half
before I begin getting the following error:
The attempt to log on to the account associated with the
task failed, therefore, the task did not run. The
specific error is: 0x80070569: Logon failure: the user
has not been granted the requested logon type at this
computer. Verify the task's Run-as name and password are
valid and try again.
I will then re-enter the admin password and things work
fine again for another week before getting the same errors
again. Technet article 328773, refers to this similar
error which was supposed to be fixed in SP4, however
that's what I'm running and still getting these errors.

Any help is greatly appreciated!

 

[Pegasus \(MVP\)]

The problem you report is usually encountered on machines
that use a FAT32 file system for the system drive, on the day
when Daylight Saving Time changes (I know this sounds
improbable but that's the way it is). Are you perhaps playing
with the system date/time?

 

[Ben Hinshaw]

Appreciate the response. I double checked all 3 servers
and all are using NTFS system partitions and have been
since going into production. I'm not exactly clear what
is meant by playing w/ the system date/time. I do call
the XSET32 library to insert a date stamp in the file name
of the backup01.log file, however that is done through a
separate scheduled task and batch file which runs several
hours after the backup has run.