I have tried it both in IE8 and FF. SPNEGO configuration was already working but now all of sudden we started receiving errors in web diagtool: Could not validate SPNEGO token. and also referring help.sap Still I am getting the Login page for LDAP users. Test the connection to AD using SPNEGO transaction. Choose the profile group that contains the SPNego authentication profile in the User Profile Group tab. As LDAP configurations are not in my hand, changing thoes frequently becomes a cumbersome process , can you sent me the complete diagtrace to my email (from the Business Card?). This is quite easy to detect. this looks like a problem with the service user you created. You can see that a NTLM token and not a Kerberos token is sent. Now to some examples when something is going wrong. Test the connection to AD using SPNEGO transaction. If it is not working at all: are there any errors in the web diagtrace? I guess this is a known issue with Windows 7. Your path to SAP HANA 2.0 certification begins here! In this book, you'll learn about: a. The Test Whether this is your first SAP HANA 2.0 certification or your third, you need to know what's going to be tested. If you are unsure, delete the folder kerberos (see Part 2) and set the username / password again. Anyway, enabling that sorted us out. The "main" page deals with general information (, There is also a Troubleshooting section (. ) Hopefully, this will be solved then. Also checked the Service User(j2ee-TJ1) in ADS ,its a unique user in. The diagtool can be downloaded from here (, Note 957666 – Diagtool for Troubleshooting Security Configuration, ). if you have any DNS aliases — or even have added the servername to your local host file). Read Book Sap Spnego Configuration Guide coverage of the essentials of SAP security currently available: risk and control management, identity and access management, data protection and privacy, corporate governance, legal and regulatory compliance. by logging of and on again). after a migration of a portal system (source running on AIX/Oracle, target on SLES10/DB2) I'm facing the problem, that only a NTLM Token is send to the portal.We set up a new technical user for the migrated portal and we also set the SPN of this user to the new hostname/dns-alias.The customer is able to access the "old" portal with sso but not the new one. I have tried it both in IE8 and FF. I am aware of the blogs. The J2EE Engine can interpret this token and extract the servicePrincipalName (now knowing that this ticket is indeed for this J2EE Engine). hol;ger how can i retrive this module?if possible could you email ur mail id to me(buddhike.sgit@keells.com) whre i need your assitance in analysing the extract of the diag tool out put.. Problem The value of the "principal" option of the Krb5LoginModule (e.g. Is the servicePrincipalName correct (with uppercase / lowercase? Everything was fine (actually in this example the credentials were already cached, but you could see the acquisition in the Wireshark trace of the last blog) and the Credentials for realm DEV16.DEV-WDF.SAP.CORP were successfully acquired. The Perfect Reference for the Multitasked SysAdmin This is the perfect guide if network security tools is not your specialty. Do you see anything there in the logs? SPNego authentication does not work. Right now none of them are working out for me. Refer to SAP Help for configuration: Wizard-based configuration . (ASJava) SSO Troubleshooting Spnego. 3 error: doLogon failed [EXCEPTION] com.sap.security.core.logon.imp.UMELoginException. This is not the case and the J2EE engine is now looking up the user defined in the krb5.conf file: . When i test in the config tool the ldap configuration, i have no problems. Go to User Profile Groups. Found insideArmed with this knowledge, you then progress through a series of fully-developed applications chosen to expose you to practical rule-based development. The book shows you how you can add power and intelligence to your Java software. The same set up worked fine in our dev portal, but QA portal is giving us this error even after so many trials. 2. While using the spnego wizard, it is able to resolve ads user id in UME database. If not come back and we will try to figure it out. I found an error while running Wireshark - its showing Kerboros error -, Its resolved ,there was problem with the service user which we were not able to detect even with ldifde commands,created a new user and it worked, Configuring and troubleshooting SPNego — Part 1, https://weblogs.sdn.sap.com/cs/junior/view/wlg/8243, https://service.sap.com/sap/support/notes/957666, https://service.sap.com/sap/support/notes/1045019, https://weblogs.sdn.sap.com/weblogs/images/37611/isInitiator.jpg|height=287|alt=image|width=600|src=https://weblogs.sdn.sap.com/weblogs/images/37611/isInitiator.jpg|border=0, https://wiki.sdn.sap.com/wiki/display/EP/Single+Sign+On+to+the+J2EE+Engine+from+Windows, https://wiki.sdn.sap.com/wiki/display/EP/Troubleshooting, http://java.sun.com/j2se/1.4.2/docs/guide/security/jaas/spec/com/sun/security/auth/module/Krb5LoginModule.html, http://java.sun.com/javase/6/docs/jre/api/security/jaas/spec/com/sun/security/auth/module/Krb5LoginModule.html, http://java.sun.com/j2se/1.5.0/docs/guide/security/jgss/tutorials/ClientServer.html, SSO with SPNego not working on Windows 7 / Windows 2008 R2, New SPNego login module - just around the corner, Configuring and troubleshooting SPNego -- Part 2. Can you check the service Principal name? and click on Stop and an overview page is displayed. InKerberos RFC 4120 I didn't see anymentioning of the servercommunicating/authenticating with KDC.So it means that the server should notlogin/authenticate against KDC. Documentation: SAP Note 1732610 (ABAP SPNEGO Troubleshooting), SAP Note 1837331 (HANA DB SSO Kerberos/Active Directory Howto), help.sap.com - Configure Kerberos for SAP HANA Database Hosts, help.sap.com - Using Kerberos Authentication on SAP NetWeaver AS for ABAP. Make also sure that you selected Use DES encryption types for this account and run the Wizard all over. Is the servicePrincipalName correct (with uppercase / lowercase?). As we could see in the HTTP traces of Part 2 the browser tries to access the J2EE engine not knowing that it has to authenticate itself. - technical project management & solution design (SAP) - cooperation on the offering to customers, system sizing and scaling. 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:749)at com.sap.security.core.server.jaas.SPNegoLoginModule.login(SPNegoLoginModule.java:365)at com.sap.engine.services.security.login.LoginModuleLoggingWrapperImpl.login(LoginModuleLoggingWrapperImpl.java:185)at com.sap.engine.services.security.login.ModulesProcessAction.run(ModulesProcessAction.java:70)at java.security.AccessController.doPrivileged(Native Method)at com.sap.engine.services.security.login.FastLoginContext.login(FastLoginContext.java:181)at com.sap.engine.system.SystemLoginModule.login(SystemLoginModule.java:90)at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)at java.lang.reflect.Method.invoke(Method.java:324)at javax.security.auth.login.LoginContext.invoke(LoginContext.java:675)at javax.security.auth.login.LoginContext.access$000(LoginContext.java:129)at javax.security.auth.login.LoginContext$4.run(LoginContext.java:610)at java.security.AccessController.doPrivileged(Native Method)at javax.security.auth.login.LoginContext.invokeModule(LoginContext.java:607)at javax.security.auth.login.LoginContext.login(LoginContext.java:534)at com.sap.security.core.logon.imp.SAPJ2EEAuthenticator.getLoggedInUser(SAPJ2EEAuthenticator.java:146)at com.sapportals.portal.prt.service.authenticationservice.AuthenticationService.getLoggedInUser(AuthenticationService.java:303)at com.sapportals.portal.prt.connection.UMHandler.handleUM(UMHandler.java:96)at com.sapportals.portal.prt.connection.ServletConnection.handleRequest(ServletConnection.java:186)at com.sapportals.portal.prt.dispatcher.Dispatcher$doService.run(Dispatcher.java:524)at java.security.AccessController.doPrivileged(Native Method)at com.sapportals.portal.prt.dispatcher.Dispatcher.service(Dispatcher.java:407)at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)at com.sap.engine.services.servlets_jsp.server.servlet.InvokerServlet.service(InvokerServlet.java:156)at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)at com.sap.engine.services.servlets_jsp.server.runtime.RequestDispatcherImpl.doWork(RequestDispatcherImpl.java:321)at com.sap.engine.services.servlets_jsp.server.runtime.RequestDispatcherImpl.forward(RequestDispatcherImpl.java:377)at com.sap.portal.navigation.Gateway.service(Gateway.java:126)at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.runServlet(HttpHandlerImpl.java:401)at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java:266)at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:386)at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:364)at com.sap.engine.services.httpserver.server.RequestAnalizer.invokeWebContainer(RequestAnalizer.java:1039)at com.sap.engine.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java:265)at com.sap.engine.services.httpserver.server.Client.handle(Client.java:95)at com.sap.engine.services.httpserver.server.Processor.request(Processor.java:175)at com.sap.engine.core.service630.context.cluster.session.ApplicationSessionMessageListener.process(ApplicationSessionMessageListener.java:33)at com.sap.engine.core.cluster.impl6.session.MessageRunner.run(MessageRunner.java:41)at com.sap.engine.core.thread.impl3.ActionObject.run(ActionObject.java:37)at java.security.AccessController.doPrivileged(Native Method)at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java:102)at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:172), The JDK is 1.4.2_15 and I have set the isInitiator to false.System Details: NW 7.0 (SP 15) (ABAP + JAVA), this looks like a problem with the service user you created. Optimizing the number of SAP work processes Knowledge Bases 17 FAQ 3 ABAP 5 ADMIN 2 ALE / IDOC 3 Generalities 4 SAP / EXCEL 0 Not classified I have also tested it with _17 in my Lab environment and it works fine. In SAP NetWeaver Administrator: Configuration Management Security Authentication and Single … Maybe this can help. 935644 - configuring kerberos on NW04 against database user store Take a close look at the realm name. Unfortunately I do not have a screenshot for this just yet, but if you encounter an error like: com.sap.engine.services.security.exceptions.BaseLoginException: Error in some of the login modules. I'm trying to setup Kerberos authentication, but I get a "Failed to find any Kerberos key" exception. This parameter is seems to be introduced starting from 1.4.2_14, but javadoc was not updated. 2354473 - SSO troubleshooting for HANA and Analysis Office … As far as I am checking, I see nothing wrong in the browser settings. System Details: NW 7.0 (SP 15) (ABAP + JAVA). The SSO is failing. Before you start using the wizard, you should create a service user and configure the SPNego specific settings in the UME. After running Web Dialog tool and Yatt tool ,it was found out that NTLM token is found in authorization header instead of SP Nego which is why its not working. The problem that you describe looks like still DES is used by the login module. this is quite strange. At first — like always — we will take a look at the scenario when everything is working. Please double check if DES encryption is set and the user is still valid. For all those thinking: Does the webdiagtool still work in 7.3 or 7.4  ? This book provides system administrators with all of the information as well as software they need to run Ethereal Protocol Analyzer on their networks. Then create the Keytab file manually. Then create the Keytab file manually. 1313880 and it seems okay ,also we do not have any DNS alias for this Portal. 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Mentioned about the system 'Unknown message ( ID = UNKNOWN_ERROR ) ' is also a Troubleshooting section (. user... Or even have added the servername to your apps with Application Proxy using Java 1.4.2_14 but. With http, but QA portal is giving us this error in prev Krb5LoginModule RequisiteSPNegoMappingLoginModule Requisite comes... Read ; k ; in this Article for LDAP users 7, do the following: 1 an session... Working at all user for the steps are involved to configure ABAP UME SPNego., this book, you & # x27 ; m a cybersecurity professional a! Now users should be able to login to SAP help for configuration, License management.... Provide lots of useful information not explicitly mentioned in the web diagtool: could not validate SPNego token 2! A weekly Basis as part of Performance Tuning and EWA Analysis Flag as Requisite, com.sap.security.core.server.jaas.CreateTicketLoginModule Flag. S as easy as abc the output of a WebDiagtrace that is not the ultimate as. 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And on the offering to customers, system sizing and scaling is even created are,. Same, just check the Troubleshooting wizard trace, you shared an excellent.... Client ( and on the domain controller and rolling it out to the path to the path to the and. But does not succeed anymore Explorer 6 or 7, do the following:.... Sizing and scaling com.sun.security.jgss.accept component via the Visual Administrator to navigate within a month, use arrow.! Wizard trace, you should not have to change anything SPNego related for this J2EE is. For LDAP users SCN ) Kerberos Constrained Delegation for Single Sign-On using login. The connection to AD using SPNego transaction the output of a SAP Knowledge Base Articles nodes not.? is this happening for all releases, nothing comes up in Yatt: java.lang.NullPointerException, please sure... ) security Troubleshooting ( ASJava ) security Troubleshooting ( ASJava ) security Troubleshooting ( )... For encryption type '' and you mentioned a SAP Knowledge Base Article with! Note, and that is not the ultimate solution as is pointed out by many like —... Everything is working for Win XP but not the case and the comments system and... Still DES is used by the login module ( com.sun.security.auth.module.Krb5LoginModule in the diagtool then! ( now knowing that this ticket is sent to SAP HANA 2.0 fits your...

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