The SEF rulebook adds a nightly maintenance window from 1 August

Small change to the SEF rulebook from 1 August that is worth knowing about. There is now a fixed maintenance window every night, 01:00 to 06:00, and anything you would have recorded during an outage moves to the first working day after it comes back. If you run overnight batches into SEF, get that window into the scheduler before it bites.