http://blogs.technet.com/isablog/archive/2008/05/26/understanding-why-isa-server-re-prompts-for-authentication-when-passwords-expire.aspxIntroduction There are times that the user does not change their password on the day that Group Policy forces a password change. Normally, if the user logs off and tries to logon again, Windows will inform him that his password is expired and requireen-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.technet.com/isablog/archive/2008/05/26/understanding-why-isa-server-re-prompts-for-authentication-when-passwords-expire.aspx#3064400Sun, 01 Jun 2008 04:16:53 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3064400Technical RollUp<p>News Microsoft Internet Security and Acceleration Server Forefront Threat Management Gateway, the Next</p>