Fatal NI connect error 12528 or 12537 in alert log during switchover
(Doc ID 1471043.1)
Last updated on APRIL 03, 2020
Applies to:Oracle Database - Enterprise Edition - Version 10.2.0.3 to 126.96.36.199 [Release 10.2 to 11.2]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.
The errors like:-
in the alert log during switchover in a Data Guard environment
Switchover of database in a Data Guard environment
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