ORA-16664 Running Dataguard Verify Configuration Either From 12c EM Cloud Control or DGMGRL
(Doc ID 2072852.1)
Last updated on AUGUST 04, 2018
Applies to:Oracle Database - Enterprise Edition - Version 220.127.116.11 and later
Information in this document applies to any platform.
The environment is Primary Cluster Database and Single Instance Standby Database.
dbaa - Primary Cluster database
dba - Physical Standby Single Instance database
In EM 12c Cloud Control when navigating to the Data Guard Verification -> Verify Configuration page, it returns the following error:
dbaa_dba1 : Normal
dba : ORA-16664: unable to receive the result from a database
The DG logs from the STANDBY continuously reports an 12521 while connecting to the cluster database
Failed to send message to site dbaa. Error code is ORA-12521
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