Lessons Learned Register
A project document that records insights and knowledge discovered during project work, so teams can apply them immediately and later store them in the lessons learned repository.
Key Points
- A living document updated throughout the project and finalized at closeout.
- Captures what worked, what did not, root causes, recommendations, and actions.
- Improves current project execution and informs future projects via the repository.
- Often includes owners, dates, status, and links to related risks, issues, or changes.
Example
During system testing, the team discovers a faster way to refresh the test database, cutting setup time by 40%. The project manager logs this in the lessons learned register with the steps, tools used, who discovered it, the date, and a recommendation to standardize the method. It is then referenced in the next sprint and later added to the organizational repository at project close.
PMP Example Question
Midway through execution, the team identifies a new estimation technique that improves forecast accuracy. Where should the project manager document this discovery to benefit the current project and future initiatives?
- Lessons Learned Register
- Risk Register
- Issue Log
- Change Log
Correct Answer: A — Lessons Learned Register
Explanation: The lessons learned register is the proper place to record knowledge gained so it can be applied now and later entered into the lessons learned repository.
