ORA-12523 or ORA-12541 connecting remote client to 12.2 Database
(Doc ID 2320190.1)
Last updated on NOVEMBER 02, 2017
Applies to:Oracle Net Services - Version 18.104.22.168 and later
Information in this document applies to any platform.
SQL*Plus connections from a remote 12.2 Client to 12.2 Database fail:
ORA-12523: TNS:listener could not find instance appropriate for the client connection
Local connections through the same listener work.
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