Upgrade 12.2 To 19 : TCPS listener fails with ORA-12560: TNS:protocol adaptor error
(Doc ID 2746071.1)
Last updated on JANUARY 22, 2021
Applies to:Oracle Database - Enterprise Edition - Version 22.214.171.124.0 and later
Information in this document applies to any platform.
After upgrading the database from12c to 19c unable to start the listener
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