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If Partnerships between different JIRA Jira instances exist, it is recommend to:
- ensure that Jira instances have all two the same Jira major version
- install the same add-on app version on all the two JIRA Jira instances
- navigate the Partnership Administration screens of All all two the two JIRA instances, after having installed the add-on on all the two, Jira instances in order to enable them.
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- the app.