Strange IIS Security issue

From: Clive Bryden (c.bryden@richmond.gov.uk)
Date: 01/31/03 

From: "Clive Bryden" <c.bryden@richmond.gov.uk>
Date: Fri, 31 Jan 2003 08:17:56 -0800

I have a strange issue in IIS 5.0 (Win2000) that I am
seeking help with. I have a number of web sites (4)
within IIS that I'm running from one Windows 2000 server.
Some of the sites are set-up with Anonymous access which
is fine however I need to run one site (our Intranet
site) without Anonymous access so I have set-up this one
to use Integrated Windows Authentication. The problem is
that when users type http://intranet in a web browser
(explorer) it operates fine by allowing the user access
because they are already logged on to the network but
when they use http://intranet.companydomainname.com (the
FQDN) they are always requested to supply their User Name
and password? DNS is doing the resolution as its able to
resolve "intranet" and the domain name suffix is the same
on the DNS server. The tech articles (that I have found)
all point to the fact that a proxy server is being used,
which we don't have or that the authentication has not
been set-up which it has simply because it all works when
the FQDN is not used. Each site on the IIS server has its
own IP Address that has been bound to the NIC and the DNS
resolution has been set-up correctly for that FQDN to IP
address. The network is primarily NT 4.0 so there is no
Active Directory.

Thank you in advance for your attention.

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