LiveUpdate definitions is getting downloaded for Symantec Mail Security for Microsoft Exchange (SMSMSE)/Symantec Protection Engine (SPE) but failing during install.
Following error is found in lux.log:
Result Code: 0x80010A02 Result Message: FAIL - install failed during script execution
Windows Server 2012 or 2012 R2
Application Experience service (AeLookupSvc) is Disabled/Stopped on the server with SPE/SMSMSE installed.
Enable/Start the 'Application Experience' service from Services console.