SAP Precalculation Server Service cannot be started. System.NullReferenceException

    Case

    You have installed SAP Precalculation Server. During starting Windows Service: “SAP BW Precalculation Service Multi Instance” you get following error:

    Service cannot be started. System.NullReferenceException: Object reference not set to an instance of an object.
    at com.sap.bi.et.precalculation.BExPrecServiceMulti.OnStart(String[] args)
    at System.ServiceProcess.ServiceBase.ServiceQueuedMainCallback(Object state)

    Solution:

    If you have fulfilled all prerequisites, check Windows Server settings if allows interactive services

    Because The SAP BW Precalculation Service Multi Instance service is probabaly marked as an interactive service.