Upgrading
Upgrading from previous EMS versions
FortiClient EMS supports direct upgrade from EMS 6.2 and 6.4.0-6.4.3. You cannot directly upgrade to EMS 7.0.0 from EMS 6.4.4. To upgrade older EMS versions, follow the upgrade procedure that FortiClient and FortiClient EMS Upgrade Paths outlines.
Downgrading to previous versions
FortiClient EMS does not support downgrading to previous EMS versions.