Connect to your core server LDMS and open the registry and navigate to the following path of the registry:
Windows 2008R2 Core Server:
HKLM | Software | WOW6432Node | LANDesk | Managementsuite | Setup | Version | Patches
Windows 2003 Core Server:
HKLM | Software | LANDesk | Managementsuite | Setup | Version | Patches
Please export the following registry key from the Core Server and attach to your case.