Re: Windows Integrated and the domain name

Hi,

Just as David and Tiago mentioned, this is actually a pure IE bahavior or
Windows domain related issue. As for IIS server side, it will never control
how client browser will cache computer\username or domain\username for
authentication.

Based on my experience, for a direct integrated windows authentication
between IIS and IE, if the automatical logon attempt fails, IE will just
prompt up a blank authentication dialog without a default user
account(neither computer\username nor domain\username). So I also suspect
the issue is somewhat related to your domain configuration. A typical case
is the client need to pass through a third machine to access the site, for
example: an ISA proxy in the middle.

Therefore I'd like to suggest you post the issue to our IE or Windows AD
newsgroup to clarify: in which cases, IE will attach computer\username or
domain\username as default account name for authentication:

microsoft.public.internetexplorer.general
microsoft.public.windows.server.active_directory

For your reference, the following article list the possible causes of why
IE fails to auto finish an integrated window authentication with IIS and
prompt for password.

Internet Explorer May Prompt You for a Password
http://support.microsoft.com/?id=258063

Thanks and have a nice day.

Sincerely,

WenJun Zhang

Microsoft Online Community Support

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