About a month ago, I wrote a post for System Center Dudes related to the changes to recurring collection schedules in SCCM 1810. In our environment, we removed the default recurring schedules from about 1750 device collections that use Direct membership rules. Up until that point, we had seen some strange collection behaviors, but never at the level that we began to experience them post ConfigMgr 1810. (Let me stop here and say that 1810 didn’t break anything.
