Ok, time to start reviewing the new features in Sun Identity Manager version 7.1. Should cover all the major points in the next few blogs.
The first change you can see

We have added the "Forgot Your Password" functionality to login screens. . Clicking on this takes you to the answer security questions screen.

User will have to match with a known IdM account. The user Id will be forwarded to the known mail address on file with IdM and the password will be reset and require reset on login.
All OOTB.