This is an interesting “gotcha” that came up recently: Problem: The Active Directory Import (UserProfileADImportJob) timer job does not run.  It’s enabled and scheduled to run (default every 5 minutes), but never runs.The result is that the user profiles never get imported. Cause: All the servers in the farm that are running the User Profile … Continue reading SharePoint 2016: Active Directory Import timer job does not run – AllowServiceJobs