RMAN Login Fails With ORA-12638 (Doc ID 436418.1)

Last updated on SEPTEMBER 23, 2013

Applies to:

Oracle Database - Enterprise Edition - Version 9.2.0.1 to 10.2.0.1 [Release 9.2 to 10.2]
Information in this document applies to any platform.
***Checked for relevance on 23-Sep-2013***

Symptoms

RMAN login to the target database fails with this error: 

RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-00554: initialization of internal recovery manager package failed.
RMAN-04005: error from target database:
ORA-12638: Credential retrieval failed

Cause

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