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HTTP Error 403 - Forbidden

Tags:

http-status-code-403

asp.net

When I start Debugging on asp.net3.5 . Browser display bellow message

*Server Error in '/attn-web' Application.

HTTP Error 403 - Forbidden.

Version Information: ASP.NET Development Server 9.0.0.0*

like image 390
netraThapa Avatar asked Mar 10 '11 07:03

netraThapa

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What causes HTTP 403 Forbidden error?

The 403 Forbidden error appears when your server denies you permission to access a page on your site. This is mainly caused by a faulty security plugin, a corrupt . htaccess file, or incorrect file permissions on your server.

How do I fix forbidden Chrome 403?

Many times the 403 error is temporary, and a simple refresh might do the trick. Most browsers use Ctrl+R on Windows or Cmd+R on Mac to refresh, and also provide a Refresh button somewhere on the address bar. It doesn't fix the problem very often, but it takes just a second to try.

3 Answers

It might be an issue with NTLM Authentication.

  1. Right-click on your solution in the Solution Explorer.
  2. Select Property Pages.
  3. Select Start Options in the dialog.
  4. In the Server section, uncheck NTLM Authentication
like image 164
Rami Sarieddine Avatar answered Oct 10 '22 07:10

Rami Sarieddine

If you have Vista or Windows 7 try running the Visual Studio as administrator (right click the EXE and choose "Run as administrator") as it might be some security/permissions issue.

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Shadow Wizard Hates Omicron Avatar answered Oct 10 '22 09:10

Shadow Wizard Hates Omicron

I was getting following issues, after trying their solutions i got this same error message

WCFTestClient The HTTP request is unauthorized with client authentication scheme 'Anonymous' (my service is a non-WCF service)

The HTTP request is unauthorized with client authentication scheme 'Ntlm'

and finally got the solution from here which is In the Server section, uncheck NTLM Authentication (Project Properties -> Web -> Servers)

like image 41
bjan Avatar answered Oct 10 '22 09:10

bjan
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