Hi, I am using Ambari 2.2 +HDP 2.4, when i try to Sync the AD Users with amabri it not Syncing, >> ambari-server sync-ldap --groups groups.txt enter the ambari password: admin/admin Syncing specified users and groups..ERROR: Exiting with exit code 1. REASON: Caught exception running LDAP sync. [LDAP: error code 49 - 80090308: LdapErr: DSID-0C0903C5, comment: AcceptSecurityContext error, d ata 52e, v2580]; nested exception is javax.naming.AuthenticationException: [LDAP: error code 49 - 80090308: LdapErr: DSID-0C0903C5, comment: AcceptSecurityContext error, data 52e, v2580] these are the parameter i have choosen while seting up. ambari-server setup-ldap, primary url*(host:port): xxxx:389 use SSL*(true/false) (false): use object class*(user) user name attribute(sAMAccountName) Group Object Class*(group) Group name attribute(cn) Group member attribut (member) Distinguish Name Attribute*(dn): distinguishedName Base DN* : OU=ambari_roles,DC=mylab,DC=com Reffreal Method: default Bind Anonymously * [true/false](false): default Manager DN* : CN=hdpsrv,OU=service_accounts,DC=mylab,DC=com Enter Manager Password: ** re enter the Manager Password : **** y/n : y ------------------------------------------- this are the logs. ----------------------------------------------------------------------------------------------------------------------------------------------- 11 Mar 2018 18:08:58,052 ERROR [pool-9-thread-2] LdapSyncEventResourceProvider:434 - Caught exception running LDAP sync. org.springframework.ldap.AuthenticationException: [LDAP: error code 49 - 80090308: LdapErr: DSID-0C0903C5, comment: AcceptSecurityContext er ror, data 52e, v2580]; nested exception is javax.naming.AuthenticationException: [LDAP: error code 49 - 80090308: LdapErr: DSID-0C0903C5, co mment: AcceptSecurityContext error, data 52e, v2580] at org.springframework.ldap.support.LdapUtils.convertLdapException(LdapUtils.java:182) at org.springframework.ldap.core.support.AbstractContextSource.createContext(AbstractContextSource.java:266) at org.springframework.ldap.core.support.AbstractContextSource.getContext(AbstractContextSource.java:106) at org.springframework.ldap.core.support.AbstractContextSource.getReadOnlyContext(AbstractContextSource.java:125) at org.springframework.ldap.core.LdapTemplate.search(LdapTemplate.java:287) at org.springframework.ldap.core.LdapTemplate.search(LdapTemplate.java:259) at org.springframework.ldap.core.LdapTemplate.search(LdapTemplate.java:606) at org.springframework.ldap.core.LdapTemplate.search(LdapTemplate.java:524) at org.springframework.ldap.core.LdapTemplate.search(LdapTemplate.java:473) at org.springframework.ldap.core.LdapTemplate.search(LdapTemplate.java:493) at org.springframework.ldap.core.LdapTemplate.search(LdapTemplate.java:513) at org.apache.ambari.server.security.ldap.AmbariLdapDataPopulator.getFilteredLdapGroups(AmbariLdapDataPopulator.java:531) at org.apache.ambari.server.security.ldap.AmbariLdapDataPopulator.getFilteredLdapGroups(AmbariLdapDataPopulator.java:525) at org.apache.ambari.server.security.ldap.AmbariLdapDataPopulator.getLdapGroups(AmbariLdapDataPopulator.java:407) at org.apache.ambari.server.security.ldap.AmbariLdapDataPopulator.synchronizeLdapGroups(AmbariLdapDataPopulator.java:231) at org.apache.ambari.server.controller.AmbariManagementControllerImpl.synchronizeLdapUsersAndGroups(AmbariManagementControllerImpl.j ava:4192) at org.apache.ambari.server.controller.internal.LdapSyncEventResourceProvider.syncLdap(LdapSyncEventResourceProvider.java:464) at org.apache.ambari.server.controller.internal.LdapSyncEventResourceProvider.processSyncEvents(LdapSyncEventResourceProvider.java:4 22) at org.apache.ambari.server.controller.internal.LdapSyncEventResourceProvider.access$000(LdapSyncEventResourceProvider.java:60) at org.apache.ambari.server.controller.internal.LdapSyncEventResourceProvider$1.run(LdapSyncEventResourceProvider.java:246) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask.run(FutureTask.java:262) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) Caused by: javax.naming.AuthenticationException: [LDAP: error code 49 - 80090308: LdapErr: DSID-0C0903C5, comment: AcceptSecurityContext err or, data 52e, v2580] at com.sun.jndi.ldap.LdapCtx.mapErrorCode(LdapCtx.java:3088) at com.sun.jndi.ldap.LdapCtx.processReturnCode(LdapCtx.java:3034) at com.sun.jndi.ldap.LdapCtx.processReturnCode(LdapCtx.java:2836) at com.sun.jndi.ldap.LdapCtx.connect(LdapCtx.java:2750) at com.sun.jndi.ldap.LdapCtx.<init>(LdapCtx.java:317) at com.sun.jndi.ldap.LdapCtxFactory.getUsingURL(LdapCtxFactory.java:193) at com.sun.jndi.ldap.LdapCtxFactory.getUsingURLs(LdapCtxFactory.java:211) at com.sun.jndi.ldap.LdapCtxFactory.getLdapCtxInstance(LdapCtxFactory.java:154) at com.sun.jndi.ldap.LdapCtxFactory.getInitialContext(LdapCtxFactory.java:84) at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:684) at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:307) at javax.naming.InitialContext.init(InitialContext.java:242) at javax.naming.ldap.InitialLdapContext.<init>(InitialLdapContext.java:153) at org.springframework.ldap.core.support.LdapContextSource.getDirContextInstance(LdapContextSource.java:43) at org.springframework.ldap.core.support.AbstractContextSource.createContext(AbstractContextSource.java:254) ... 23 more ------------------------------------------------------------------------------------------------------------------------------------------------ ... 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