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Article ID: 306163 - Last Review: July 8, 2003 - Revision: 2.5
PRB: "Unable to Start Debugging" Error Message When You Send Debug HTTP Request
This article was previously published under Q306163
SYMPTOMS
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.
Server-side error occurred on sending debug HTTP request.
Make sure
the server is operating correctly. Verify there are no syntax errors in
web.config by doing a Debug.Start without debugging. You may also want to refer
to the ASP.NET and ATL Server debugging topic in the online documentation.
Would you like to disable future attempts to debug ASP.NET pages for this
project?
CAUSE
This problem can occur if there are syntax errors in the
ASP.NET application's Web.config file.
RESOLUTION
To resolve this problem, make sure that all of the
Extensible Markup Language (XML) in the Web.config file is valid and well
formed. Also, remember that everything in Web.config is case-sensitive.
APPLIES TO
- Microsoft ASP.NET 1.1
- Microsoft Visual Studio .NET 2003 Professional Edition
- Microsoft Visual Studio .NET 2003 Enterprise Architect
- Microsoft Visual Studio .NET 2003 Enterprise Developer
- Microsoft Visual Studio .NET 2003 Academic Edition
- Microsoft ASP.NET 1.0
- Microsoft Visual Studio .NET 2002 Professional Edition
- Microsoft Visual Studio .NET 2002 Enterprise Architect
- Microsoft Visual Studio .NET 2002 Enterprise Developer
- Microsoft Visual Studio .NET 2002 Academic Edition
| kbconfig kbdebug kberrmsg kbprb kbweb KB306163 |
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