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Former Member
Jul 10, 2008 at 12:10 PM

SPnego Not working with windows logon credentials

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Hi

we have NW04 sp18 portal try to implement sso with spnego for windows authentication.we have used wizard method to implement this. all the steps has completed successfully.

when try acess the portal url , not able to logon to the portal and its displaying two logon screens with UNKNOWN ERROR.

we check the blogs and sdn links and sap notes also, but not able to resolve the issues. we are getting following error and not able to logon with any data base user also.any body have any suggestions.

1----


CreateContext failed: GSSException: Failure unspecified at GSS-API level (Mechanism level: KDC has no support for

encryption type (14))

[EXCEPTION]

GSSException: Failure unspecified at GSS-API level (Mechanism level: KDC has no support for encryption type (14)) at

sun.security.jgss.krb5.Krb5Context.acceptSecContext(Krb5Context.java:734) at

sun.security.jgss.GSSContextImpl.acceptSecContext(GSSContextImpl.java:300) at

sun.security.jgss.GSSContextImpl.acceptSecContext(GSSContextImpl.java:246) at

com.sap.security.core.server.jaas.SPNegoLoginModule.doHandshake(SPNegoLoginModule.java:662) at

com.sap.security.core.server.jaas.SPNegoLoginModule.login(SPNegoLoginModule.java:356) at

com.sap.engine.services.security.login.LoginModuleLoggingWrapperImpl.login(LoginModuleLoggingWrapperImpl.java:154) at

com.sap.engine.services.security.login.ModulesProcessAction.run(ModulesProcessAction.java:69) at

java.security.AccessController.doPrivileged(Native Method) at

com.sap.engine.services.security.login.FastLoginContext.login(FastLoginContext.java:170) at

com.sap.engine.system.SystemLoginModule.login(SystemLoginModule.java:90) at

2------

Date : 07/10/2008

Time : 6:43:21:760

Message : Error during handshake (has already been reported). Authentication failed.

Severity : Error

Category :

Location : com.sap.security.core.server.jaas.SPNegoLoginModule

Application : sap.com/irj

Thread : SAPEngine_Application_Thread[impl:3]_26

Datasource : 19173250:C:\usr\sap\MFE\JC01\j2ee\cluster\server0\log\defaultTrace.trc

Message ID : 0050569C0DD500480000001C00002364000451A9EE861E93

Source Name : com.sap.security.core.server.jaas.SPNegoLoginModule

3-------

Date : 07/10/2008

Time : 6:43:21:838

Message : Message ID (UNKNOWN_ERROR) not found in properties files-UNKNOWN_ERROR

[EXCEPTION]

java.util.MissingResourceException: Can't find resource for bundle java.util.PropertyResourceBundle, key UNKNOWN_ERROR at

java.util.ResourceBundle.getObject(ResourceBundle.java:325)

thanks in advances

Gopal