REDO Log Transport Fails Due To Error 12638 (Doc ID 3035273.1)

Last updated on SEPTEMBER 19, 2024

Applies to:

Oracle Database - Enterprise Edition - Version 19.10.0.0.0 and later
Oracle Cloud Infrastructure - Exadata Cloud Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Gen 2 Exadata Cloud at Customer - Version N/A and later
Information in this document applies to any platform.

Symptoms

REDO log transport from primary to standby fails with Error 12638.

Primary alertlog

2023-09-08T10:47:07.579949+05:30
TT02 (PID:21876): Error 12638 received logging on to the standby
2023-09-08T10:47:07.579949+05:30
Errors in file <PATH>\trace\<SID>_tt02_21876.trc:
ORA-12638: Credential retrieval failed
TT02 (PID:21876): Error 12638 for LNO:1 to '<Standby>'
2023-09-08T10:47:07.595575+05:30
Errors in file <PATH>\trace\<SID>_tt02_21876.trc:
ORA-12638: Credential retrieval failed
2023-09-08T10:47:07.595575+05:30
Errors in file <PATH>\trace\<SID>_tt02_21876.trc:
ORA-12638: Credential retrieval failed
2023-09-08T10:47:07.642496+05:30
TT00 (PID:2688): Error 12638 received logging on to the standby
2023-09-08T10:47:07.642496+05:30
Errors in file <PATH>\trace\<SID>_tt00_2688.trc:
ORA-12638: Credential retrieval failed
TT00 (PID:2688): krsg_check_connection: Error 12638 connecting to standby '<Standby>'

V$ARCHIVE_DEST on primary

Changes

Cause

	To view full details, sign in with your My Oracle Support account.
	Don't have a My Oracle Support account? Click to get started!

In this Document

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.

REDO Log Transport Fails Due To Error 12638 (Doc ID 3035273.1)

Applies to:

Symptoms

Changes

Cause

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!