vRealize Orchestrator is an automation and workflow engine that performs remote operations on dissimilar systems for the purpose of removing human error from a task. There are other workflow engines that exist in different software platforms and perform similar types of system integration, but vRO is the best one for VMware and its various stacks. vRO began, through an acquisition from a Swiss company named Dunes in 2007, from a product named Virtual Service Orchestrator or VS-O, and became one of the best tools that no one knew about. The software would allow the graphic mapping of a process and the placement and running of scripts within the workflow. For years, there was simply no documentation or blogs about the product and it became a niche skill for the savviest Administrators.
With the purchase of Dynamic Ops in 2012, more and more Administrators were picking up the reigns of this orchestration software and Orchestrator eventually became intertwined with vCenter...