There are many situations when you need to compare two AEM instances. The easiest approach is to compare packages, bundles and configurations. Here is how you can do it - Compare package managers http://localhost:4502/crx/packmgr/service.jsp?cmd=ls Compare Bundles http://localhost:4502/system/console/bundles.json Compare Configurations http://localhost:4502/system/console/status-Configurations Compare system properties http://localhost:4502/system/console/status-System%20Properties You can then compare these manually using any text comparers. Another quicker approach is to compare those using below tools by Aemstuff.com - http://www.aemstuff.com/tools/cti.html http://www.aemstuff.com/tools/coi.html
My reflections on Digital Transformations - best practices, pitfalls etc etc...