Backup Failure Error:Ora-12703: This Character Set Conversion Is Not Supported.
(Doc ID 797039.1)
Last updated on FEBRUARY 03, 2022
Applies to:Oracle Database - Enterprise Edition - Version 10.2.0.1 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Information in this document applies to any platform.
Database backup using rman and Data Protector fails with:
RMAN-03004: fatal error during execution of command
RMAN-00600: internal error, arguments   [dev_0]  
RMAN-03009: failure of allocate command on dev_0 channel at 03/16/2009 03:42:53
ORA-12703: this character set conversion is not supported
In this case, DataProtector was upgraded to 6.0
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