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ORA-29024 / TNS-12560 error after JULY 2020 Patches for TCPS Connection / listener start (Doc ID 2708154.1)

Last updated on NOVEMBER 09, 2020

Applies to:

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


1) After applying July 2020 DBBP, TCPS listener start fails with below error:

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCPS)(HOST=<host1>)(PORT=2484)))
ORA-29024: Certificate validation failure
 TNS-12560: TNS:protocol adapter error
  TNS-29024: Message 29024 not found; product=network; facility=TNS

2) tnsping <TCPS alias>

TNS Ping Utility for Linux: Version - Production on 19-AUG-2020 01:17:12

Copyright (c) 1997, 2014, Oracle. All rights reserved.

Used parameter files:

Used TNSNAMES adapter to resolve the alias
Attempting to contact (DESCRIPTION = (ADDRESS = (PROTOCOL = TCPS)(HOST = <host2>)(PORT = 1536)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = ***)))
TNS-12560: TNS:protocol adapter error


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