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Remote Authentication fails using AIQUM

Last Updated:

Applies to

Active IQ Unified Manager (AIQUM) 9.6+


  • Remote users cannot log into AIQUM but login with local users works
  • Testing remote authentication takes a long time to complete and sometimes you will see the test fail with
    Unknown authentication server error. Verify your authentication server configuration
  • Issue happens when testing using port 389 or 636
  • During remote authentication test, LDAP time limit exceeded error seen in ocumserver.log
    ERROR [ocumadmin][default task-243280] [service.setup. ldap. LdapService | testLdapUser][c.n.dfm. impl. rbac. LdapUserCheck] Unknown error. Verify yourauthentication server configuration..
    org.springframework.ldap. TimeLimitExceededException: [LDAP: error code 3 - Timelimit Exceeded];nested exception is javax.naming. TimeLimitExceededException: [LDAP: error code 3 - TimelimitExceeded]; remaining name '
  • Packet trace (tcpdump) from AIQUM to domain controller shows TCP connection resets 

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