This chapter contains information about migrating your existing standalone Service Desk.
if you are using Service Desk as an appliance, see Section 7.0, Migrating Service Desk Appliance.
For migrate information, see the following:
Service Desk supports no more than two major versions behind the latest release (N-2). Since the latest version is Service Desk 7.5 (N) the 7.4 (N-1) and 7.3 (N-2) versions are also supported.