Threads were already configured. THe Maintenance works (or should) the same way as Sales Ledger>>maint>>OK Invoices (non stop). Though never tried to OK thousands of invoices with this maintenance.
I would like to know what BackgroundHALShouldPause does, and how to use it. While it's listed in the HAL Primitives report, it is not used in source code and it doesn't appear in the LMS HAL...