Download the FOSS version for your platform and perform an in place upgrade. After the upgrade finishes remove com_zimbra_backup, com_zimbra_domainadmin, com_zimbra_mobilesync, com_zimbra_cluster, com_zimbra_hsm, com_zimbra_convertd, com_zimbra_license and zimbra_xmbxsearch zimlets with zmzimletctl undeploy <zimlet>
The next major version of ZCS will handle switching between NE and FOSS versions a little more seamlessly. |