Tuesday, November 3, 2009

IIS 5.1 in XP PRO SP3 (Login password Popup)

Troubleshooting HTTP 401 errors in IIS

Is there an index.htm or default.htm under C:\Inetpub\www ?
If not, put one there and see what happens.


(1) Launch inetmgr and right click on site
(2) Go to Properties
(3) Go to Directory Security Tab
(4) Click on Edit under Authentication and Access Control
(5) Select checkbox that says Enable Anonymous Access

Screen shot follows :

If this doesn't work then perhaps

Check on iisstart.asp or localstart.asp, I believe the anonymous auth is disable at file level as well


Uninstall Framework 3.5, 3.0 and 2.0 and reinstalled IIS.

That is becoz IE auto login for you, mozilla won't do that.

So again make sure you enabled anonymous authentication and ensure the resource file can be read by the anonymous account, which is iusr_computername by default.

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