LUM is cannot connect to LDAP

[amarsanaa]

Hello,

I have OES SP2 is had problem with LDAP and LUM.
Show error on /var/log/messages

Sep 30 02:15:25 AAA2 sshd[9041]: _nds_ldap_init: pam_ldap_init() failed, trying to connect to the alternative LDAP server
Sep 30 02:15:25 AAA2 sshd[9041]: PAM_NAM: _nds_ldap_init() failed to get LDAP handle for the alternative LDAP server also, error 81.
Sep 30 02:15:25 AAA2 sshd[9041]: PAM_NAM:_nds_loginUse():_nds_ldap_init failed
Sep 30 02:15:25 AAA2 sshd[9041]: ldapmapstatus():pam_get_data() failed
Sep 30 02:15:25 AAA2 sshd[9041]: PAM_NAM:_nds_clear_and_exit() could not return ldap handle
Sep 30 02:15:25 AAA2 sshd[9041]: PAM_NAM : NDS Login failed
Sep 30 02:15:25 AAA2 sshd[8828]: error: PAM: Authentication failure for user from 10.10.10.10

Any reply would be appreciated