Applies to:

Opening Visual Studio .NET projects on a Windows XP Pro machine.

Symptom:

When you try to create a new ASP.NET 1.1 project or try to open, you may receive the following error message

visual studio has detected that the specified web server is not running asp.net version 1.1

Microsoft knowledge base article 817267 describes the problem for Windows 2003 only:

PRB: "The Specified Web Server Is Not Running ASP.NET Version 1.1" Error Message When You Create ASP.NET 1.1 Application ( MKB817267 )

Resolution:

1) Open Add/Remove program and uninstall dot net version 1.0.

2) If dot net version 1.0 is not in the list of installed programs, find the following folder and delete it if found C:\WINDOWS\Microsoft.NET\Framework\v1.0.3705

3) run the executable with the following option from command window: C:\WINDOWS\Microsoft.NET\Framework\v1.1.xxxx\aspnet_regiis.exe -i

Once completed, the problem will no longer occur.