However there are other causes of production job scheduling issues, and this are mentioned in the Microsoft Dynamics AX 2012 Release Notes. One of them being: "The resource scheduling engine uses a hard-coded resource name for jobs that do not include a resource or calendar. The hard-coded resource name is "EmptyRes". This hard-coded name might conflict with actual resource names. There is no workaround for this issue." The solution for this is to create a new resource: "emptyres".