We also also have this problem in our environment. Example: When the students in our environment move from grade 1 to grade 2 they also moves from UserGroup grade 1 to UserGroup grade 2 and this again affects AssignmentGroup grade 1 and AssignmentGroup grade2. App X is assigned to both of the grade 1 and grade 2 groups and when this happens, the licences are placed under externally redeemed licenses. This is covered here: https://support.workspaceone.com/solutions/SOL-12024 ' 2. This behavior also appears when a device moves from one assigned smart group into another.' We also see this issue: 1. If a device is included in two smart groups assigned to one VPP application, deleting the assignment whose smart group id was attributed to the license association first in our database will cause the Edit Assignment menu to display the license as Externally Redeemed