Requesting kerberos TGT with OKINT errors with okinit: Clock skew too great in 12.1.0.2

(Doc ID 2312008.1)

Last updated on OCTOBER 03, 2017

Applies to:

Advanced Networking Option - Version 11.2.0.4 and later
Information in this document applies to any platform.

Symptoms

 Requesting kerberos TGT for user through OKINIT fails with okinit: Clock skew too great

 

[07543]/refresh/home> okinit -e 23 scott

Kerberos Utilities for Linux: Version 12.1.0.2.0 - Production on 23-SEP-2017 03:53:23

Copyright (c) 1996, 2014 Oracle. All rights reserved.

Password for scott@XXXX.SAMPLE.COM:
okinit: Clock skew too great

 

okinit trace show below
###############

nauk5la_get_in_tkt: Returning 37: Clock skew too great
.
nauk5la_get_in_tkt: exit
nauk5zi_kinit: Getting TGT failed: Clock skew too great
.
nauk5fq_free_principal: entry
nauk5fq_free_principal: exit
nauk5fq_free_principal: entry

Setting SQLNET.KERBEROS5_CLOCKSKEW=300 or 1200 does not help. In this case we see a significant time drift between the linux (database server) and the active directory server.

Changes

 No changes. Kerberos authentication is under initial stage of configuration.

Cause

Sign In with your My Oracle Support account

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

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms