I'm troubleshooting scans that are failing every time they run. I've made a number of changes to the scans (manually load balancing them and slicing them into smaller groups) but at least one group continues to fail. the annoying part is I'm only missing a few hosts (2-3) from the scan.
When I look closely at this, it makes me crazy. The total scan times add up to much less than the available time to scan so I'm not really sure what is going wrong or how to fix it.
I was hoping to collect methods for troubleshooting or tips for problems that have caused this for others.