Connection to Auxiliary using connect string failed with ORA-12528
(Doc ID 419440.1)
Last updated on FEBRUARY 14, 2022
Applies to:Oracle Database - Enterprise Edition - Version 10.1.0.2 to 220.127.116.11 [Release 10.1 to 12.2]
Oracle Net Services - Version 10.1.0.2 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Information in this document applies to any platform.
Duplicate database fails while trying to connect to auxiliary instance.
Connection from target database server to the auxiliary database fails with error:
ORA-12528: TNS:listener: all appropriate instances are blocking new connections.
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