Implicit Resync Of Recovery Catalog Failed -ORA-00001: unique constraint DF_U2 violated (Doc ID 434398.1)

Last updated on OCTOBER 27, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.1 to 10.2.0.3 [Release 10.2]
Information in this document applies to any platform.
***Checked for relevance on 19-Dec-2011***


Symptoms

 

RMAN backups fails and implicit  resync fails with

unique constraint DF_U2  violated

Error Stack


starting full resync of recovery catalog
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of show command at 04/20/2007 08:55:12
RMAN-03014: implicit resync of recovery catalog failed
RMAN-03009: failure of full resync command on default channel at 04/20/2007 08:55:12
ORA-00001: unique constraint (RMANP.DF_U2) violated



Cause

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