JIRA has been working for some time. After the 14th AMM the activity decreases. It should be the right opportunity to deprecate Bugzilla. The following tasks might be needed.
- Identify who is still using bugzilla
- Send a message to tell them they should migrate to JIRA.
- Stablish and communicate a deadline for that migration
- Provide a JIRA project to those Expert Groups who are still using bugzilla
- Put bugzilla in read only mode.