We have a number of servers that have maintenance windows configured. For a number of our servers, there are some sensors where we expect an error condition to persist for some time (at the moment, usually due to the closure of sites due to COVID-19 restrictions, but it can happen due to a link that is down) and we prefer to acknowledge these errors rather than pausing the sensor so that we will be notified as soon as the condition is resolved.
However where a device has a scheduled maintenance window set, all acknowledged errors get reset and return to a full error condition once the scheduled maintenance window closes. This often results in a barrage of alerts for errors that we have already acknowledged as being an issue and gets quite annoying at times.
It would be preferable if PRTG would retain the acknowledgement state whenever a sensor is paused due to a maintenance window.