I keep getting Failed on LDAP simple bind (Error code: 40286) on the event logs

If you are currently using IWA Direct, and you keep seeing errors similar to the following in the event log:

2012-08-28 14:44:44+12:00UTC  "Failed on LDAP simple bind (Error code: 40286)"  0 250034:1   sg_syslog.cpp:78
2012-08-28 14:44:44+12:00UTC  "Failed on LDAP simple bind (Error code: 40286)"  0 250034:1   sg_syslog.cpp:78
2012-08-28 14:44:44+12:00UTC  "Failed on LDAP simple bind (Error code: 40286)"  0 250034:1   sg_syslog.cpp:78

Refer to the following URL:

http://support.microsoft.com/kb/326690

This error is not a proxy error but rather an issue on the Windows server.