DBUA upgrade to 12.2 fails with error: "[DBT-20015] The version of the selected database could not be determined"
(Doc ID 2337865.1)
Last updated on AUGUST 04, 2018
Applies to:Oracle Database - Enterprise Edition - Version 18.104.22.168 to 22.214.171.124 [Release 12.2]
Information in this document applies to any platform.
Database upgrade to 126.96.36.199 version (Using DBUA).
Upgrading the database to 188.8.131.52 version using DBUA utility
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