At the next dialog, under Authentication, Integrated is the only method selected by default. In the Identification area, your server name should appear in the white area. In the ISA Server Properties dialog (under Servers and Arrays, right-click the server name and select Properties), choose the Outgoing Web Requests tab. When its own code is used, it can only provide Basic Authentication, which fails unless Basic Authentication is enabled in ISA.
Apparently, Quicken uses IE’s Integrated Authentication capability for some Internet functions, but then uses its own code to perform other Internet functions. You must enable Basic Authentication for Outgoing Web Requests. Here’s the solution for enabling Quicken 2001 Internet Update features through ISA Server (QuickBooks thru ISA Server is a little different, as detailed below):
