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Former Member
Oct 23, 2006 at 02:07 PM

error authenticating with kerberos

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Hello everybody.

As I try to implement kerberos authentication for SSO with ADS directory I have the followin error using the debug tool :

[Info] Oct 23, 2006 4:07:22 PM error code is 24

[Info] Oct 23, 2006 4:07:22 PM

[Info] Oct 23, 2006 4:07:22 PM error Message is Pre-authentication information was invalid

[Info] Oct 23, 2006 4:07:22 PM

[Info] Oct 23, 2006 4:07:22 PM realm is CIP.SPIR.FR

[Info] Oct 23, 2006 4:07:22 PM

[Info] Oct 23, 2006 4:07:22 PM sname is krbtgt/CIP.SPIR.FR

[Info] Oct 23, 2006 4:07:22 PM

[Info] Oct 23, 2006 4:07:22 PM eData provided.

[Info] Oct 23, 2006 4:07:22 PM

[Info] Oct 23, 2006 4:07:22 PM [Krb5LoginModule] authentication failed

Pre-authentication information was invalid (24)

The connection to the j2ee server was succeed in the previous step, this error appears for the test which simulate a web user.

and at this point, as I try to log on to the portal I am not able anymore and get this message in the defalut trace :

#1.5#001372699EAE004E00000013000017A80004208E1426CC53#1161694502386#com.sap.engine.services.security#sap.com/irj#com.sap.engine.services.security#j2ee.exd#7809####dd06fd20635e11dbaec2001372699eae#SAPEngine_Application_Thread[impl:3]_23##0#0#Error##Java###Cannot initialize login module .

[EXCEPTION]

#2#com.sap.security.core.server.jaas.SPNegoLoginModule#java.lang.RuntimeException: No valid credentials provided (Mechanism level: Failed to find any Kerberos Key)

If anyone please help !

Message was edited by: JEGO EMERIC