http://blogs.technet.com/isablog/archive/2007/11/28/account-lockout-not-working-using-upn-format-to-logon-with-forms-bases-authentication-in-isa-server-2006.aspx1. Introduction Recently we received a support call from a customer saying that one of his network users was able to logon on to a secure web site published by ISA Server 2006 after typing a wrong password five times and finally typing the correct passworden-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.technet.com/isablog/archive/2007/11/28/account-lockout-not-working-using-upn-format-to-logon-with-forms-bases-authentication-in-isa-server-2006.aspx#2581508Wed, 28 Nov 2007 15:02:43 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:2581508Windows News » Blog Archive <p>PingBack from <a rel="nofollow" target="_new" href="http://windowsworldnews.com/?p=22">http://windowsworldnews.com/?p=22</a></p> http://blogs.technet.com/isablog/archive/2007/11/28/account-lockout-not-working-using-upn-format-to-logon-with-forms-bases-authentication-in-isa-server-2006.aspx#2703076Wed, 02 Jan 2008 17:30:24 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:2703076Technical RollUp<p>News Microsoft Internet Security and Acceleration Server Internet Security and Acceleration (ISA) Server</p>