Message Error: TNS-12203: unable to connect to destination |
Cause of Error This behavior occurs when the OracleServiceORCL and OracleTNSListener80 services are not started on the computer. |
Solution Summary Start the OracleServiceORCL and OracleTNSListener80 services on the appropriate computer. |
Solution Details 1) On the Microsoft Windows taskbar, click 'Start', point to 'Settings', and then click 'Control Panel'. 2) Double-click 'Services'. 3) In the 'Service' list, click 'OracleServiceORCL', and then click 'Start'.  'Service' list4) Click 'OracleTNSListener80', and then click 'Start'. 5) Click 'Close', and then return to the desktop. 6) Try connecting to the database again. |
Applies to Software Version Oracle8 |
Error: TNS-12203: unable to connect to destination.
