Scenario: A NetScaler Engineer is viewing Authentication, Authorization and Access (AAA) events
on the NetScaler appliance to determine why a user is unable to log on. The events below have
been logged during this timeframe:
Fri Oct 17 18:17:16 2014
/usr/home/build/rs_80_48/usr.src/usr.bin/nsaaad/../../netscaler/aaad/ld
ap_drv.c[40\\]:

start_ldap_auth attempting to
auth scottli @ 10.12.33.216
Fri Oct 17 18:17:18 2014
/usr/home/build/rs_80_48/usr.src/usr.bin/nsaaad/../../netscaler/aaad/ld
ap_drv.c[291\\]:
recieve_ldap_bind_event receive ldap bind event
Fri Oct 17 18:17:18 2014
/usr/home/build/rs_80_48/usr.src/usr.bin/nsaaad/../../netscaler/aaad/ld
ap_drv.c[326\\]:
recieve_ldap_bind_event ldap_bind with binddn bindpw failed:Invalid
credentials Fri Oct 17
18:17:18 2014
/usr/home/build/rs_80_48/usr.src/usr.bin/nsaaad/../../netscaler/aaad/na
aad.c[1198\\]: send_reject sending reject to kernel for : scottli
What is the root cause of this issue?

A.
The LDAP Base DN is incorrect.

B.
The Bind DN credentials are invalid.

C.
The LDAP server is NOT responding.

D.
The user has entered an invalid password.