Issue

• Error when changing the password of a user that is external in a read-write AD provider.

• The following exception appears in the log when trying to change an AD user password:

  ERROR [org.keycloak.services] (default task-5) KC-SERVICES0065: Failed to update Password: org.keycloak.models.ModelException: Could not modify attribute for DN [CN=aduser1,CN=Users,DC=SAMPLE,DC=COM]
          at org.keycloak.storage.ldap.idm.store.ldap.LDAPOperationManager.modifyAttributes(LDAPOperationManager.java:476)
          at org.keycloak.storage.ldap.idm.store.ldap.LDAPIdentityStore.updateADPassword(LDAPIdentityStore.java:282)
          at org.keycloak.storage.ldap.idm.store.ldap.LDAPIdentityStore.updatePassword(LDAPIdentityStore.java:251)
          at org.keycloak.storage.ldap.LDAPStorageProvider.updateCredential(LDAPStorageProvider.java:555)
          at org.keycloak.credential.UserCredentialStoreManager.updateCredential(UserCredentialStoreManager.java:171)
          at org.keycloak.services.resources.AccountService.processPasswordUpdate(AccountService.java:653)
          ...
  Caused by: javax.naming.OperationNotSupportedException: [LDAP: error code 53 - 0000001F: SvcErr: DSID-031A1262, problem 5003 (WILL_NOT_PERFORM), data 0 ^@]; remaining name 'CN=aduser1,CN=Users,DC=SAMPLE,DC=COM'
          at com.sun.jndi.ldap.LdapCtx.mapErrorCode(LdapCtx.java:3209)
          at com.sun.jndi.ldap.LdapCtx.processReturnCode(LdapCtx.java:3082)
          at com.sun.jndi.ldap.LdapCtx.processReturnCode(LdapCtx.java:2888)
          at com.sun.jndi.ldap.LdapCtx.c_modifyAttributes(LdapCtx.java:1475)
          at com.sun.jndi.toolkit.ctx.ComponentDirContext.p_modifyAttributes(ComponentDirContext.java:277)
          at com.sun.jndi.toolkit.ctx.PartialCompositeDirContext.modifyAttributes(PartialCompositeDirContext.java:192)
          at com.sun.jndi.toolkit.ctx.PartialCompositeDirContext.modifyAttributes(PartialCompositeDirContext.java:181)
          at javax.naming.directory.InitialDirContext.modifyAttributes(InitialDirContext.java:167)
          at javax.naming.directory.InitialDirContext.modifyAttributes(InitialDirContext.java:167)
          at org.keycloak.storage.ldap.idm.store.ldap.LDAPOperationManager$7.execute(LDAPOperationManager.java:471)
          at org.keycloak.storage.ldap.idm.store.ldap.LDAPOperationManager$7.execute(LDAPOperationManager.java:468)
          at org.keycloak.storage.ldap.idm.store.ldap.LDAPOperationManager.execute(LDAPOperationManager.java:631)
          at org.keycloak.storage.ldap.idm.store.ldap.LDAPOperationManager.modifyAttributes(LDAPOperationManager.java:468)
          ... 52 more