When logging into Endpoint Protection Manager (SEPM) web console on port 8445, login failure error appears as follows in the URL:
https://<SEPM_IP>:8445/Reporting/login/login.php?MSG=LOGIN_FAILED
Results are same when tried accessing via https://<SEPM_IP>:8445 or https://<SEPM_Hostname>:8445
SEPM 14.3 RU9
Known issue
It is identified as a known issue and the fix is planned to be included in future release.
Contact Technical Support for version specific hotfix.