Symantec Endpoint Threat Defense for Active Directory (TDAD) Core Server UI will not load. One or more of the Symantec Endpoint Threat Defense for AD services are not started. After the services fails to start up automatically, they can be manually started.
This site can’t be reached.
The service did not respond to the start or control request in a timely fashion.
The database or other service start can time out on systems with slow I/O.
The service timeout value can be adjusted to accommodate a slow system startup.