Scheduled Backup Problem
I backup nightly, generating a full backup after seven incrementals, and doing a verify each time.
For some weeks now, randomly the incremental backup will fail, due to a verification failure. This might happen if the backup is started manually or by the scheduler, and it doesn’t seem to matter if this is a “full” or “incremental” backup.
11 True Image 8/26/2016 7:53:03 AM The following backups have been successfully created: "\\DISKSTATION\RonBP\backups\Chains\Entire PC (RONBP)_inc_b1_s6_v1.tib"
12 True Image 8/26/2016 7:53:10 AM Validate Backup Archive Location: "\\DISKSTATION\RonBP\backups\Chains\Entire PC (RONBP)_inc_b1_s6_v1.tib"
13 True Image 8/26/2016 7:53:10 AM Pending operation 4 started: 'Validate Backup Archive'.
14 True Image 8/26/2016 8:00:14 AM The backup is corrupted, but you can still try to recover data from it.
18 True Image 8/26/2016 8:00:14 AM Operation has completed with errors.
At one time, I had a similar problem due to a DHCP assigned lease expiring during the session, but I have set the leases to only expire weekly.
Thinking it might be due to a “sleep” problem, even though I had checked the appropriate Option on that page, added a pre-processing .bat file that also keeps the computer from sleeping:
:: Set so computer never sleeps
powercfg -x -standby-timeout-ac 0
EXIT
And I have set this up creating a new task – not editing an old one. The pre and post processing commands test OK; the “send notification email” tests OK; etc.
For the last two nights, the scheduled backup has failed to run with NO notification from TIH, and nothing in the Acronis TIH logs. It could be run manually. Event Viewer shows this message:
Scheduler failed to run task with GUID 'B12FBFEF-49A5-4C6F-A981-9A644ECA0E6D' because of error 5 (Access is denied.).
That GUID shows up only once in the Registry as a Value under this key, and does not show up in a search of the Windows files:
HKEY_CURRENT_USER\SOFTWARE\Acronis\Acronis True Image 2016\BackupTasks
Any ideas as to how to better define the problem?
The main problem is that the scheduled backup frequently fails – with the pre-task set it seems to fail at the scheduler level with no notification; without that set it seems to occasionally fail when it tries to verify. It will usually run OK when run manually.
Thanks in advance.


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Thanks for those pointers, Steve. I will try them out.
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