Free System Center 2012 R2 Operations Manager Management Pack training from MVA
Want to expand your knowledge about service packs? In this course, Microsoft experts will drill down into the structure, implementation, and development of management and service packs and their tools. There will be a series of 28 modules with staggered release dates, so keep checking back for new modules to become available.
Go to the Microsoft Virtual Academy and start this course.
Have fun!