The first Three Tabs (Home, Monitors, and Report ) are blank in the Symantec Endpoint Protection Manager (SEPM) Console and gets the error message
ERROR:fatal error at login: \r\nEXCEPTION block1: Error message: <b>Source:</b> Microsoft OLE DB Provider for ODBC Drivers<br/><b>Description:</b> [Microsoft][SQL Server Native Client 11.0]TCP Provider: An existing connection was forcibly closed by the remote host.
\r\nError code: -2147352567\r\nFile and line: E:\Program Files (x86)\Symantec\Symantec Endpoint Protection Manager\Php\Include\Common\ado.php(96)\r\n
This error generally occurs for a fresh installation of SEPM where the SQL Native Client (BCP.exe) is not in the latest version released by Microsoft, or in cases where SQL Native Client got corrupted due to Windows security patches, or outdated.
Example link of latest BCP for Windows Server 2012