Every Enterprise system is prone to performance issues and errors despite best practices being employed. Having looked at Fusion Applications monitoring in the previous chapter, you may have an understanding of what conditions invoke a need for troubleshooting. Since Fusion Applications is a complex enterprise system with large number of components involved, troubleshooting Application-related issues includes a vast variety of techniques and starting points for performance diagnosis. Starting the troubleshooting with the most logical component is the key here. Proficiency in Fusion Applications troubleshooting may be developed over the period of time and once you have worked on a breadth of diagnostic tools, the time taken for effective diagnosis and problem resolution may reduce drastically.