1.What sort of server are you attempting to authenticate against?--------Active directory
2. Are there any special characters in the password?----No
Please find the below tail outpurt,
==> /var/log/httpd/error_log <==
[Mon Apr 03 23:52:51.375373 2017] [:error] [pid 23184] [client 10.21.93.21:64682] PHP Warning: ldap_bind(): Unable to bind to server: Invalid credentials in /usr/local/nagiosxi/html/includes/components/ldap_ad_integration/adLDAP/src/adLDAP.php on line 714, referer:
http://10.21.93.11/nagiosxi/includes/co ... /index.php
[Mon Apr 03 23:55:42.509415 2017] [:error] [pid 4550] [client 10.21.93.21:64928] PHP Warning: ldap_bind(): Unable to bind to server: Invalid credentials in /usr/local/nagiosxi/html/includes/components/ldap_ad_integration/adLDAP/src/adLDAP.php on line 714, referer:
http://10.21.93.11/nagiosxi/includes/co ... /index.php
[Tue Apr 04 03:19:47.116327 2017] [:error] [pid 22852] [client 10.21.93.21:56905] PHP Warning: ldap_bind(): Unable to bind to server: Invalid credentials in /usr/local/nagiosxi/html/includes/components/ldap_ad_integration/adLDAP/src/adLDAP.php on line 714, referer:
http://prod-nag01.puretec.purestorage.c ... /index.php
[Tue Apr 04 03:20:57.953523 2017] [:error] [pid 27290] [client 10.21.93.21:56985] 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:
http://prod-nag01.puretec.purestorage.c ... /index.php
[Tue Apr 04 03:21:00.170109 2017] [:error] [pid 27290] [client 10.21.93.21:56985] 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:
http://prod-nag01.puretec.purestorage.c ... /index.php
[Tue Apr 04 03:21:01.615400 2017] [:error] [pid 27290] [client 10.21.93.21:56985] 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:
http://prod-nag01.puretec.purestorage.c ... /index.php
[Tue Apr 04 03:21:03.408284 2017] [:error] [pid 27290] [client 10.21.93.21:56985] 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:
http://prod-nag01.puretec.purestorage.c ... /index.php
[Tue Apr 04 03:21:04.657520 2017] [:error] [pid 27290] [client 10.21.93.21:56985] 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:
http://prod-nag01.puretec.purestorage.c ... /index.php
[Tue Apr 04 03:21:05.838556 2017] [:error] [pid 27290] [client 10.21.93.21:56985] 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:
http://prod-nag01.puretec.purestorage.c ... /index.php
[Tue Apr 04 03:21:07.442693 2017] [:error] [pid 27290] [client 10.21.93.21:56985] 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:
http://prod-nag01.puretec.purestorage.c ... /index.php
==> /var/log/httpd/ssl_error_log <==
[Sun Apr 02 09:11:04.927748 2017] [ssl:warn] [pid 983] AH01909: RSA certificate configured for prod-nag01.puretec.purestorage.com:443 does NOT include an ID which matches the server name
[Mon Apr 03 01:46:15.646824 2017] [ssl:warn] [pid 978] AH01909: RSA certificate configured for prod-nag01.puretec.purestorage.com:443 does NOT include an ID which matches the server name
[Mon Apr 03 01:46:15.675829 2017] [ssl:warn] [pid 978] AH01909: RSA certificate configured for prod-nag01.puretec.purestorage.com:443 does NOT include an ID which matches the server name
[Mon Apr 03 05:16:49.039265 2017] [ssl:warn] [pid 28820] AH01909: RSA certificate configured for prod-nag01.puretec.purestorage.com:443 does NOT include an ID which matches the server name
[Mon Apr 03 05:16:49.062469 2017] [ssl:warn] [pid 28820] AH01909: RSA certificate configured for prod-nag01.puretec.purestorage.com:443 does NOT include an ID which matches the server name
==> /var/log/httpd/error_log <==
ldap_bind_s
ldap_simple_bind_s
ldap_sasl_bind_s
ldap_sasl_bind
ldap_send_initial_request
ldap_new_connection 1 1 0
ldap_int_open_connection
ldap_connect_to_host: TCP prd_ad1.puretec.purestorage.com:389
ldap_new_socket: 22
ldap_prepare_socket: 22
ldap_connect_to_host: Trying 10.21.93.18:389
ldap_pvt_connect: fd: 22 tm: -1 async: 0
attempting to connect:
connect errno: 113
ldap_close_socket: 22
ldap_err2string
[Tue Apr 04 03:23:38.221178 2017] [:error] [pid 9796] [client 10.21.93.21:57178] 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:
http://prod-nag01.puretec.purestorage.c ... /index.php
ldap_create
ldap_bind_s
ldap_simple_bind_s
ldap_sasl_bind_s
ldap_sasl_bind
ldap_send_initial_request
ldap_new_connection 1 1 0
ldap_int_open_connection
ldap_connect_to_host: TCP prd_ad1.puretec.purestorage.com:389
ldap_new_socket: 22
ldap_prepare_socket: 22
ldap_connect_to_host: Trying 10.21.93.18:389
ldap_pvt_connect: fd: 22 tm: -1 async: 0
attempting to connect:
connect errno: 113
ldap_close_socket: 22
ldap_err2string
[Tue Apr 04 03:23:41.987217 2017] [:error] [pid 9796] [client 10.21.93.21:57178] 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:
http://prod-nag01.puretec.purestorage.c ... /index.php
ldap_create
ldap_bind_s
ldap_simple_bind_s
ldap_sasl_bind_s
ldap_sasl_bind
ldap_send_initial_request
ldap_new_connection 1 1 0
ldap_int_open_connection
ldap_connect_to_host: TCP prd_ad1.puretec.purestorage.com:389
ldap_new_socket: 22
ldap_prepare_socket: 22
ldap_connect_to_host: Trying 10.21.93.18:389
ldap_pvt_connect: fd: 22 tm: -1 async: 0
attempting to connect:
connect errno: 113
ldap_close_socket: 22
ldap_err2string
[Tue Apr 04 03:23:43.487886 2017] [:error] [pid 9796] [client 10.21.93.21:57178] 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:
http://prod-nag01.puretec.purestorage.c ... /index.php
ldap_bind_s
ldap_simple_bind_s
ldap_sasl_bind_s
ldap_sasl_bind
ldap_send_initial_request
ldap_new_connection 1 1 0
ldap_int_open_connection
ldap_connect_to_host: TCP prd_ad1.puretec.purestorage.com:389
ldap_new_socket: 22
ldap_prepare_socket: 22
ldap_connect_to_host: Trying 10.21.93.18:389
ldap_pvt_connect: fd: 22 tm: -1 async: 0
attempting to connect:
connect errno: 113
ldap_close_socket: 22
ldap_err2string
[Tue Apr 04 03:23:44.839811 2017] [:error] [pid 2518] [client 10.21.93.21:57190] 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:
http://prod-nag01.puretec.purestorage.c ... /index.php
Thanks
Karthi