LDAP / Active Directory Import Users

[IHI]

Hi

We tried LDAP / Active Directory Import Users, but we couldn't access AD after update from CentOS 7.4 to 7.5.
openssl-1:1.0.2k-8.el7.x86_64
php-5.4.16-43.el7_4.1.x86_64

We got follow error message.
Unable to authenticate: error:14090086:SSL routines:ssl3_get_server_certificate:certificate verify failed (unable to get issuer certificate)

{ssl_error_log}
PHP Warning: ldap_bind(): Unable to bind to server: Can't contact LDAP server in /usr/local/nagiosxi/html/includes/components/ldap_ad_integration/adLDAP/src/adLDAP.php on line 714,
referer: https://<server FQDN>/nagiosxi/includes/components/ldap_ad_integration/index.php


please assist.
Thanks

[npolovenko]

@IH, I see you have opened a ticket for the same issue in our ticketing system, so I will be closing this thread. In the future please only open one or the other so we can focus our efforts. Thank you!