12c RMAN Catalog Resync Failes with error ORA-00001: unique constraint (RCO.TS_P2) violated (Doc ID 2036436.1)

Last updated on JUNE 04, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.2 and later
Information in this document applies to any platform.

Symptoms

Resync catalog with a Container database which has a dataguard configuration may get the following error on backup.  The error is not consistent and re-registering the database does not solve the issue:

 

Cause

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