--alternate-destination-marker not supported?


If you meant Windows Task Scheduler, some people do use it for Duplicati, but I’m not familiar with its abilities.


I think you might be asking for trouble going back to identical drives, but there might be a different check that would avoid disaster. Duplicati by default has a good look at the destination file list to see if it’s as expected…

Please test it to see what error it gives, but don’t try to use –no-backend-verification to turn off the safety net which is probably what’s being referred to here in the How to test which database belongs to which job? topic.


Backing up to multiple USB or external drives?