Member Avatar for frmsasp

Hello there,

I am receiving following error in Visual Studio .Net while compiling page with F5.

"Error while trying to run project: Unable to start debugging on the web server. You do not have permission to debug the application. The URL for this project is in the Internet zone. Click Help for more information."
However page with execute properly with debugging by pressing Ctrl + F5 keys in Visual Studio .Net
I am using Win XP in local net.

I need solution of the above problem... waiting for your reply.....

For get actual idea, check image in attachment.

Thanking You,
Paresh

debug_forum.gif 97.83 KB
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  • Latest Post Latest Post by kedar_challa

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The F5 vs Ctrl+F5 symptom is the key clue: the site runs, but the Visual Studio debugger is being blocked by a security/permission boundary rather than a compile/runtime error. is on Windows XP in a local network, so the two usual causes to check are (1) how the project URL is being classified by Internet Explorer (security zone) and (2) how IIS is authenticating and which account the worker process runs under. pointed toward the zone/rights issue and flagged authentication — both are relevant, but a few practical diagnostics and fixes help narrow it quickly.

Quick diagnostics to try

  • Confirm the IE security zone for the project URL. Hostnames with dots are often treated as Internet zone; localhost or single-label machine names are usually Intranet. If the URL shows as Internet, add it to the Local intranet (or Trusted) zone in Internet Options, then restart VS/IE.
  • Temporarily change the project URL to http://localhost/... to see if F5 then works. If it does, the problem was zone classification.
  • If adding to the intranet zone isn’t possible, use Debug → Attach to Process and attach to the ASP.NET worker process (aspnet_wp.exe or w3wp.exe) as a workaround.
  • Check that the account running Visual Studio has rights to attach to the IIS process (admin on XP). If not, run VS as that user or elevate permissions.

IIS/authentication notes and a final checklist

  • If the site requires Windows authentication, VS must be able to authenticate as that user; if the site uses anonymous access the worker runs as IUSR/ASPNET which can prevent attaching unless your account has sufficient rights.
  • Verify development settings: set <compilation debug="true"> in web.config while debugging.
  • Restart IIS (iisreset) and Visual Studio after making changes, and consult the VS Output window and Event Viewer if problems persist.

Checklist: add URL to Local intranet, try localhost, run VS with elevated rights, confirm IIS auth model matches your debugging scenario, ensure debug="true", or attach manually to the worker process.

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Member Avatar for Paladine

Check your internet zone security settings as well as the security tab under the IIS section in Administrative tools for that web folder as to your rights to it. Make sure ASP_NET is one of the those with rights too it.

Member Avatar for kedar_challa

Hi,

We need to change the IIS Authentication mode in order to Debug the application.

1. Go to Administative Tools, Open IIS.
2. Go to properties of the virtual directory of your application.
3. Choose the Directory Security Tab under properties, Click on the edit button.
4. Check the "Integrated Windows Authentication Mode".

Hope this will help you.

thanks,
Kedar

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