Arnold IP not found

Hello and Happy holdiays All, I have issues with Arnold feature there some IP's that not getting into quarantine profile, when other corresponding in same Vlan will get into quarantine profile. With same problematic IP's when i am trying to get them into manual quarantine they are not found , in other hand when using the Machine Tracker feature i am able to track down port switch and change Vlan assignment. Any idea how to sync between main Nav db and Arnold db , or did i missed some configuration ? Please advice Thanks -- Tal Bar-or