- When logging into Empower, an error message appears saying Database Connection Failed ORA-12514: TNS:listener does not currently know of service requested in connect descriptor.
- Empower 3 SR1 FR 2, personal workstation
Cause is unknown
FIX or WORKAROUND
- On your PC, go to Start | Control Panel | Administrative Tools | Services.
- Stop and Start the OracleServiceEMPOWER service and the OracleEmpower11g_2TNSListener service.
- Log into Empower again.
Check that there is plenty of free space available on the hard drive(s). If Oracle runs out of space, it can generate this error. The Oracle alert log may log an out of space error as well.