This document discusses migrating issue tracking systems to Jira. It provides an overview of Clearvision and their tools for migration, including Jira Importer (JIM) and Affinity. A case study shows how to use JIM to migrate issues from ClearQuest to Jira. Upcoming versions of Affinity will add functionality for migrating between instances of Jira and bridging between Jira and other systems like ClearQuest.