Acronis Scheduler did not run because of error 5 - Access is denied
Scheduled backups are not starting, though if I manually start them they run perfectly.
The program indicates that 'The last backup has failed.', but there are no entries in the Acronis log at all.
The Windows Event Viewer shows that the Acronis Scheduler did not run because of error 5 - Access is denied.
I've seen this same problem posted many times, with many different ATH versions, but I've not seen a solution.


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Yes, the application was installed using my account - it has Administrator privileges and is the only account on this computer. The Scheduler2 Service is running and the properties for the Scheduler2 Service are identical to the ones in your post.
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Roger, thanks for confirming the above. The next suggestion is to make sure that ATI is not being impacted by any security applications you have installed.
See KB 36429: Acronis Software: exclude program folders and executables from antivirus and other security programs - and KB 46430: Acronis Software: Making Acronis Products Compatible with Antivirus Software
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Roger Ramjet wrote:Yes, the application was installed using my account - it has Administrator privileges and is the only account on this computer. The Scheduler2 Service is running and the properties for the Scheduler2 Service are identical to the ones in your post.
Please confirm that you also installed by "Run as Administrator". Merely having administrator priviliges does not, as I understand it, result in elevated privileges being used in the installation.
Ian
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I disabled my Symantec Endpoint Protection, which is my a/v & firewall. Still had the same problem.
I didn't recall if I installed by "Run as Administrator", though it shouldn't have been necessary. So, I uninstalled ATI2019 and then reinstalled using "Run as Administrator". Still having the exact same problem.
Again, the program works perfectly if I run it manually. Something is preventing the Scheduler from running. If I Google the error I find many other people with the same problem, going back numerous versions, but I haven't been able to find a cause or remedy.
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Roger, please check the Windows Event logs to see if they offer any clues as to why the Acronis Scheduler2 service is not running? What happens if you attempt to start the Scheduler2 service manually from the main Services control panel?
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Let me clarify; the Acronis Scheduler2 service is running and starting up as it should, it's just not executing it's function at the scheduled time because something is being denied access.
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Roger, please download the MVP Log File Viewer and use this to look at the messages in the Schedul2 log on your computer as I would expect this to provide some more information.
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Roger,
Can you post a screenshot of Windows Event Viewer like you did in your OP except with the Details tab selected rather than the General tab view?
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This is the Details tab from tonight's event. That SID is from my user account.
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Roger,
I think this task is not configured to run with the highest admin privileges which is causing it to fail with the Access Denied error.
Was the task setup using a different account than the one which is trying to run it?
Is this a task that is local to the computer in use or is it a task being run on a network location?
My suggestion would be to run a complete uninstall of the application using Windows Add Remove programs and then running the Acronis Cleanup Tool found HERE
Follow the instructions found in the link above to uninstall the application and use the cleanup tool
After you have done both successfully, restart your computer so that registry changes take effect.
Next, navigate to the True Image install file, right click on the file and choose Run as Administrator to install the application once again. This will insure that Windows Admin privileges are granted the application (Highest Level) which are greater than your user admin account under Windows and are necessary for the True Image app to run and function properly.
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I tried everything and anything and still no success. I reverted back to ATI 2018 and everything is working perfectly.
Thanks to you all for your input and help.
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Roger,
I would encourage you to open a support request with Acronis concerning your issue.
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I'm using ATI 2021 and am having this same issue.
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Brian, the first suggestion would be to try doing a Repair Install of ATI 2021 ensuring that this is run from an Administrator account or using Run as Administrator.
Next, would be to ensure that all Acronis key executables are white listed to any third part antivirus / security applications that are installed.
KB 60915: Acronis True Image: repairing program settings
KB 46430: Acronis Software: Making Acronis Products Compatible with Antivirus Software
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I have solved my issue by adding network and local service to admin group.
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