When attempting to connect Advanced Threat Protection (ATP) to the Symantec Endpoint Protection Manager (SEPM) via the controller connection, the connection fails. Browsing to the RMM Webservices website (https://sepmip:8446/sepm) does not display the website even though the services are running.
SEPM returned a non-200 HTTP response
RMM Webservices were previously disabled by running ConfigSEPM.bat as outlined in HOWTO111804.
Re-enable SEPM RMM Webservices using the following steps: