Hi,
check up the following KBs :
PRB: "Unable to Start Debugging on the Web Server" Error Message When
You Debug ASP.NET Applications
(306165) - When you debug an ASP.NET application in Visual Studio .NET,
you may receive the following error message: Error while trying to run
project : Unable to start debugging on the web server. Would you like to
disable future attempts to debug ASP.NET pages...
BUG: "Unable to Start Debugging on the Web Server" Error Message When
You Run an ASP.NET Web Application
(814717) - If you create a Web application by using localhost as the
Web server, and you change the Web site setting in Internet Information
Services (IIS) to use the specific IP address for Web Site
Identification , you receive the following error message when...
PRB: Error When You Debug Remote ASP.NET Application
(320433) - When you debug a remote ASP.NET application, you may receive
one of the following error messages: Error while trying to run project:
Unable to start debugging on the web server. Unable to map the debug
start page URL to a machine name. -or- Error...
PRB: "Unable to Start Debugging on the Web Server" Error Message While
You Debug ASP.NET Applications
(817034) - You create an ASP.NET Web application and then specify that
the authentication in Internet Information Services (IIS) is set to
Basic authentication. When you try to start to debug the ASP.NET Web
application project in Visual Studio .NET, you may...
Natty Gur[MVP]
blog :
http://weblogs.asp.net/ngur
Mobile: +972-(0)58-888377
