How to set up a permanent "Write Processing Station trace log" option for all stations in the Processing Server?
You can use the following Processing Server command as a bat file and as the event in Task Scheduler after each boot:
C:\Program Files\ABBYY FlexiCapture 12 Servers>FlexiBrSvc.exe Please set station * WriteLog=true
Don't forget to start this task.
More information about you can find by the following link: Description of Processing Server commands