Category Archives: NMWG

netca Error: ORA-12514: TNS:listener does not currently know of service requested in connect descriptor

Problem: When configuring the TNS settings using the Oracle Net Configuration Assistant, the follow error appears:

Connecting… ORA-12514: TNS:listener does not currently know of service requested in connect descriptor. The test did not succeed.

Solution: Mismatch between hostnames in tnsnames.ora and listener.ora.

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