The Symantec Endpoint Threat Defense for Active Directory (TDAD) service will not start. The TDAD collector isn't running and Admins are unable to see the Forensic reports in the TDAD Core UI.
Windows could not start the Symantec Endpoint Threat Defense for AD Collector Service service on Local Computer
Error 1067: The process terminated unexpectedly.
The TDAD collector requires .Net 3.5 (minimum) to be installed on the device to function. Please install .Net 3.5 or newer.