It’s not easy to rank defects on priority while doing Corrective or Preventive Maintenance. In this how to I set up a guide you can use based on impact, severity and urgency. Also I discuss if it’s worth to fix a defect.
These days it’s rare to build a system from scratch. Software maintenance gets more important every day. Let’s take time to talk about the different types of software maintenance. The types of Corrective and Preventive Maintenance are for corrections on the software. Adaptive and Perfective Maintenance are the types for Enhancements on the software.