Question

HTTP Error 401.1 - Unauthorized: Access is denied due to invalid credentials. (IIS 6 Windows 2003 Standard Server)

Asked by: nsome


Help needed urgently from IIS Experts out there:

I have Windows 2003 Standard Edition server installed with IIS 6.0 configured.  I've loaded my web application (Remedy 5.1.2) on IIS and it works fine by accessing it locally from the webserver.  However, accessing it from another client using its web address, I get the following error:

**********************************************************************
You are not authorized to view this page
You do not have permission to view this directory or page using the credentials that you supplied.
--------------------------------------------------------------------------------

Please try the following:

Contact the Web site administrator if you believe you should be able to view this directory or page.
Click the Refresh button to try again with different credentials.
HTTP Error 401.1 - Unauthorized: Access is denied due to invalid credentials.
Internet Information Services (IIS)

--------------------------------------------------------------------------------
**********************************************************************
The webserver resides in a DMZ and I'm pretty sure that proper routing is in place since the above error indicates that a handshake failed at the IIS level.

I have the check box set to allow anonymous user access in the properties of the website under Directory Security tab.  Any advice on why this is happening??!!  

Thank you in advance.
nsome

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Asked On
2004-03-07 at 08:26:24ID20910072
Tags

error

,

access

,

denied

,

due

,

invalid

Topic

Microsoft IIS Web Server

Participating Experts
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Comments
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Answers

 

by: n0ch1psPosted on 2004-03-07 at 10:07:30ID: 10535606

Is the "Windows Intagrated authentication" box checked or unchecked?

 

by: nsomePosted on 2004-03-07 at 10:34:36ID: 10535720

Checked.

 

by: nsomePosted on 2004-03-07 at 11:44:54ID: 10536033

Update:

After tinkering around with the Directory Security tab settings, I checked the 'Basic Authentication (password sent in text form)' and I was able to access the logon form to my application form a client workstation, however it was first requesting Windows admin username/password for the webserver before displaying the page.  My understanding is that this isn't a desired configuration due to security concerns but it's somewhat of a clue in figuring out why it wouldn't let me connect with just the enable anonymous user authentication.

I'm looking forward to your feedback.

 

by: n0ch1psPosted on 2004-03-07 at 14:45:04ID: 10536766

What user are you using for your sites anonymous user?  A 401.1 error indicates that their is a password sync problem or it could be that the the anon user does not have the required privileges.

Have you tried using a different anonymous user? one with more privileges on the server and adding that to the sites directory ACL.

 

by: nsomePosted on 2004-03-07 at 15:38:52ID: 10537044

We're getting somewhere.  I used the server admin account instead of the IUSR-<hostname> account and this time it went through.   What directories require which permissions in order to access a site (since admin owns has full for everything)?

I used all default web site directories.  



 

by: n0ch1psPosted on 2004-03-07 at 15:46:59ID: 10537093

The anonymous user will require privileges on a web sites root directory down, in your case /wwwroot.

Now change the anonymous user to something other than the servers admin account, you should find that just a normal USER will be sufficient.

 

by: sandipkhardePosted on 2008-09-04 at 04:48:34ID: 22386143

what exactly you did ?

could you  explain it please?

 

by: LabsyPosted on 2009-11-23 at 08:23:11ID: 25888966

I had simillar problem on PRODUCTION server, which was running fine for few years, until I decided to migrate it to new server, using VMWare Converter. After conversion was sucessfull, surprisingly, the original server started with 401.1 ERRORS, at start only for 1 domain, but after a while 401.1 was spread to 3 domains.

I was trying many repairs, but nothing helped.
The only solution was to create new username and:
- grant permissions to this username on wwwroot folder for problematic domain
- then configure IIS for this domain to use this new username for anonymus access
- and finally it got running

Hope it helps someone.

 

by: systemmanagementPosted on 2009-12-14 at 05:18:49ID: 26044151

Its worth to check this MS link too, http://support.microsoft.com/kb/871179

20120131-EE-VQP-002

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