Welcome to the Archived, Readonly Zimbra Collaboration forums. Here’s the place where we talked about all things related to Zimbra email products. Registrations and postings are disabled here.
Be sure to visit https://www.zimbra.com/forums to start new discussions and to find the latest answers to questions being asked.
Can I do this upgrade directly, or do I need to do each incremental version one by one?
Running the OS version on RHEL4.
No, you don't need to do intermediate upgrades. Obviously, take a backup first.
Acompli: A new adventure for Co-Founder KevinH.