Test Error .._ Port 389 – FAILED

Dear all,

Could you help me on this issue.
The AD was working perfectly, but stopped to login some users, and when I test appears like that:

AD Integration Logon Test

openLDAP installed

[INFO] method authenticate() called
[INFO] ——————————————
PHP version: 5.5.12-2ubuntu4.3
WP version: 4.2.1
ADI version: 1.1.7
OS Info : Linux intralot-VMLinux 3.16.0-33-generic #44-Ubuntu SMP Thu Mar 12 12:25:57 UTC 2015 i686
Web Server : apache2handler
adLDAP ver.: 3.3.2 EXTENDED (201302271401)
——————————————
[INFO] LDAP paging: enabled
[NOTICE] username: rafael.cardoso
[NOTICE] password: **not shown**
[INFO] Options for adLDAP connection:
– account_suffix: @intralot.com.br
– base_dn: cn=Users, dc=intralot,dc=com, dc=br
– domain_controllers: intralot.com.br
– ad_port: 389
– use_tls: 1
– network timeout: 10
[INFO] Checking domain controller ports:
[ERROR] – intralot.com.br:389 – FAILED
[NOTICE] adLDAP object created.
[INFO] max_login_attempts: 3
[INFO] users failed logins: 0
[NOTICE] trying account suffix “@intralot.com.br”
[ERROR] Authentication failed
[WARN] storing failed login for user “rafael.cardoso”

Logon failed

* Could you please help me. Thanks

https://www.ads-software.com/plugins/active-directory-integration/