Writing the logs at /private/tmp/uninstall_agent.log
Could not determine the install state of the Agent.
The Agent uninstallation was not successful or the Agent is not installed. Please try restarting the system and running the Uninstaller again.
For additional information on error please see logs at /private/tmp/uninstall_agent.log
from the good machine copy below files from /var/db/recipets
copy these files to faulty machines in /var/db/recipets
after this check the pkgutil --pkg-info com.symantec.dlp.edpa command which should display the agent installed version.