After-Action Review
An After-Action Review (AAR) is a structured analysis conducted after an incident to identify what happened, why it happened, and how to improve future responses.
What Is After-Action Review
An After-Action Review (AAR) is a structured analysis conducted after an incident to identify what happened, why it happened, and how to improve future responses. It's a learning process that examines both successes and failures without assigning blame.
Why Is After-Action Review Important
AARs create a continuous improvement cycle for incident management. They help teams learn from experience, identify systemic issues, and develop more effective response strategies. Regular AARs build institutional knowledge and prevent recurring problems.
Example Of After-Action Review
Following a major service outage, a team conducts an AAR and discovers that the incident escalated because monitoring alerts weren't properly routed. They implement new alert routing rules and create clearer escalation paths for similar incidents.
How To Implement After-Action Review
- Schedule the review within 1-2 weeks after incident resolution
- Include all stakeholders who were involved in the incident
- Focus on timeline reconstruction and root cause analysis
- Document findings and action items with clear ownership
- Share learnings with the broader organization