These paths differ slightly when installed on Windows XP or Windows Server 2003:
During install or manual upgrade:
C:\Documents and Settings\<USR>\Local Settings\Temp\<GUID>\msi<GUID>.log
After successful install:
C:\Documents and Settings\All Users\Application Data\Bit9\Parity Agent\Logs\Install_VERSION.log
Upgrade:
C:\Documents and Settings\All Users\Application Data\Bit9\Parity Agent\Logs\ParityHostAgentInstall_TIMESTAMP.log
Linux
During install or upgrade:
/var/log/.B9_DEBUG_INSTALL
After successful install or upgrade these are moved to:
/srv/bit9/data/Logs/
macOS
Agent installation and upgrade is done via pkg and the pkg installation logs are included in the file: