If the archive link is missing:
For those looking for a more immediate solution, ManageEngine maintains a "Previous Releases" page for major version transitions (e.g., the previous major version when a new one launches), but access to specific interim builds usually requires a support login. manageengine servicedesk plus download old version
ManageEngine’s Knowledge Base occasionally links older patch files (e.g., .msp , .patch ) but rarely full installers. If the archive link is missing: For those