The ISA Server Team Blog has a great article that will help you find out why you’re getting intermittent authentication dialog boxes when trying to connect to resource through the ISA Firewall computer.
Check out the article at:
https://blogs.technet.com/isablog/archive/2006/10/…
HTH,
Tom
Thomas W Shinder, M.D.
Site: www.isaserver.org
Blog: http://blogs.isaserver.org/shinder/
Book: http://tinyurl.com/3xqb7
Email: [email protected]
MVP — Microsoft Firewalls (ISA)