Now that Atlassian has announced that Jira Server will not be supported by 2024, we need to find a way to migrate the existing Aha! - Jira Server integration without having to re-establish the connection.
The recommended methods indicated in the link below do not suffice as none of these methods ensure that the data is 100% preserved throughout the Server to Cloud Migration.
Reference ticket/request number for the preliminary discussions is #577724.