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How to Start/Stop Application Identity service
Services Regedit CMD Msconfig
Msconfig:  This method shows you how to Start/Stop Application Identity service from starting with the operating system using System Configuration  Perform the following steps: Please go to Start and click on the Type here to search Type msconfig and press Enter In System Configuration please go to Services tab and locate Application Identity service  Uncheck the box to prevent this service to start and then press OK to finish
Any change make in System Configuration will be apply after restart