ORA-12514 with DBLink use when connecting using tnsnames and the listener
Last updated on DECEMBER 18, 2017
Applies to:Oracle Net Services - Version 10.2.0.1 and later
Information in this document applies to any platform.
When using a DBLink, you may find you are getting an ORA-12514 error:
SQL> select count * from firstname.lastname@example.org;
select count * from email@example.com
ERROR at line 1:
ORA-12514: TNS:listener does not currently know of service requested in connect descriptor
This is occurring despite checking the SERVICE_NAME in the origin's tnsnames.ora file, matches the Service in the Target's listener services summary.
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