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Unable to start debugging on the web server -asp.net error

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rahul's picture
rahul
User offline. Last seen 31 weeks 5 days ago. Offline
Joined: 08/21/2009

Each time I run my asp.net web application using F5 or Debug->start there comes a message box saying

Error while trying to run project: Unable to start debugging on the web server

i am using visual studio .net 2003 how to resolve this


rockhard's picture
rockhard
User offline. Last seen 2 years 35 weeks ago. Offline
Joined: 08/22/2009
Change asp.net version or check security of IE

There are various reasons behind this problem

But I think there must be a problem with your asp.net version. Check it by going to
Control Panel->Administrative Tools->IIS
Expand Local Computer expand websites click on Default websites
Select Virtual Directory of your application right click and go to properties
Then go to ASP.NET tab Select proper version of asp.net and retry.

If message " Verify that you are a member of the 'Debugger Users' group on the server" is coming alongwith your error message
Error while trying to run project: Unable to start debugging on the web server. You do not have permission to debug server
Then there is one more thing to check

If internet explorer is your default browser, then go to Tools select Intranet options go to Security tab Select Local intranet as you are running your application on local host Click on Custom level and Check User authentication at bottom of window if it is set to anonymous logon then set it to Automatic logon only on intranet zone. Now you should be able to run your application