ADC | 11.1 | intermittent LDAPS authentication failure while accessing NetScaler management console

LDAP Admin bind DN has failed due to LDAP server time out with the following error message in the aaad.debug

AAAD log snippet:

================

/home/build/rs_111_56_9_RTM/usr.src/netscaler/aaad/ldap_common.c[872]: ns_ldap_set_up_socket setting up for SSL connection to : XX.XX.XX.XX:636

Sun Dec 16 22:54:16 2018

/home/build/rs_111_56_9_RTM/usr.src/netscaler/aaad/naaad.c[3658]: register_timer setting timer 9303

Sun Dec 16 22:54:16 2018

/home/build/rs_111_56_9_RTM/usr.src/netscaler/aaad/ldap_drv.c[188]: receive_ldap_bind_event receive ldap bind event >>>>>>>>>> Admin bind DN request was sent at 22:54:16

Sun Dec 16 22:54:16 2018

/home/build/rs_111_56_9_RTM/usr.src/netscaler/aaad/ldap_common.c[371]: ns_ldap_check_result checking LDAP result. Expecting 97 (LDAP_RES_BIND)

Sun Dec 16 22:54:16 2018

/home/build/rs_111_56_9_RTM/usr.src/netscaler/aaad/ldap_common.c[375]: ns_ldap_check_result Got result 0. Non-event, continuing

Sun Dec 16 22:54:16 2018

/home/build/rs_111_56_9_RTM/usr.src/netscaler/aaad/ldap_drv.c[212]: receive_ldap_bind_event Noop

Sun Dec 16 22:54:16 2018

/home/build/rs_111_56_9_RTM/usr.src/netscaler/aaad/ldap_drv.c[188]: receive_ldap_bind_event receive ldap bind event

Sun Dec 16 22:54:16 2018

/home/build/rs_111_56_9_RTM/usr.src/netscaler/aaad/ldap_common.c[371]: ns_ldap_check_result checking LDAP result. Expecting 97 (LDAP_RES_BIND)

Sun Dec 16 22:54:16 2018

/home/build/rs_111_56_9_RTM/usr.src/netscaler/aaad/ldap_common.c[375]: ns_ldap_check_result Got result 0. Non-event, continuing

Sun Dec 16 22:54:16 2018

/home/build/rs_111_56_9_RTM/usr.src/netscaler/aaad/ldap_drv.c[212]: receive_ldap_bind_event Noop

Sun Dec 16 22:54:26 2018

/home/build/rs_111_56_9_RTM/usr.src/netscaler/aaad/naaad.c[575]: main timer 9303 firing…

Sun Dec 16 22:54:26 2018

/home/build/rs_111_56_9_RTM/usr.src/netscaler/aaad/naaad.c[3727]: unregister_timer releasing timer 9303

Sun Dec 16 22:54:26 2018

/home/build/rs_111_56_9_RTM/usr.src/netscaler/aaad/ldap_common.c[191]: ns_ldap_timeout_handler ldap server time out, sending error >>>>> LDAP server time out was happened at 22:54:26 (ie after 10 secs)

Sun Dec 16 22:54:26 2018

/home/build/rs_111_56_9_RTM/usr.src/netscaler/aaad/naaad.c[2915]: send_reject_with_code Not trying cascade again

Sun Dec 16 22:54:26 2018

/home/build/rs_111_56_9_RTM/usr.src/netscaler/aaad/naaad.c[2917]: send_reject_with_code sending reject to kernel for : <username>

Sun Dec 16 22:54:26 2018

/home/build/rs_111_56_9_RTM/usr.src/netscaler/aaad/naaad.c[2921]: send_reject_with_code Rejecting with error code 4003

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