This IDC Forecast Update provides a sizing of the worldwide workload scheduling and automation software market in 2013 and a 2014–2018 forecast for this market. It also includes updated breakouts for the workload management and datacenter automation software submarkets that together make up this functional market. Historical and forecast revenue data is shown for the total worldwide market and by geographic region and operating environment. Breakouts are shown at the worldwide-level only. This study does not contain vendor-specific revenue, market shares, or vendor profiles, all of which have been published in separate studies during 2014.