When deploying custom SPOneTimeSchedule job definitions sometimes the timer service (OWSTIMER.EXE) just sorta sits there. Your job definition is created, but isn't executed. It will most likely eventually run, but I have better things to do than sit around wait for it. Setting the time for the job in the past seems to move things along faster. // Create new job CustomJob MyJob = new CustomJob(Constants.JOB_NAME, webApp, properties.Definition.DisplayName); MyJob.Title = Constants.JOB_TITLE; // Set up the job to run once MyJob.Schedule = new SPOneTimeSchedule(DateTime.Now.AddHours(-4)); MyJob.Update();