Data Guard Broker switchover fails with an ORA-16664 and the standby DRC log shows an ORA-604.

(Doc ID 1530881.1)

Last updated on JANUARY 27, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.1 to 11.2.0.2.0 [Release 10.2 to 11.2]
Information in this document applies to any platform.
***Checked for relevance on 25-Jul-2014***

Symptoms

Data Guard Broker switchover fails with an ORA-16664 and the standby DRC log shows an ORA-604.

 

Changes

A logon trigger was created in the primary database.

 

It is imperitive that you determine what the login trigger is doing, is it really necessary, does it work on a read only database if it fires on the standby, etc.  

 

Cause

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