Troubleshoot "Visual Studio .NET has detected Web server is not running ASP.NET 1.1"

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Article ID: 555132 - View products that this article applies to.
Author: Ming Chung Chu MVP
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SUMMARY

This article will tell you some situations for this error and how to troubleshoot it.

SYMPTOMS

If you open your ASP.NET Web Project or Web Service Project, you may see the error message: "Visual Studio .NET has detected that the specified Web server is not running ASP.NET version 1.1. You will be unable to run ASP.NET Web applications or services."

CAUSE

This problem causes when Visual Studio.NET cannot find Web Server specified by Web Project, Web Server is stopped, or Project location is incorrect.
 
1. Your Web Server (IIS) doesn't register .NET Framework's ASP.NET mapping or cannot be found.
2. .NET Framework 1.1 Runtime doesn't installed.
3. Web Server specified by ASP.NET Web Project/Web Service Project is stopped or IP address cannot be mapped.
4. Web Server specified by ASP.NET Web Project/Web Service Project cannot be found.

RESOLUTION

1. Your Web Server (IIS) doesn't register .NET Framework's ASP.NET mapping.
A: Please open command prompt, and type "aspnet_regiis -i" to register ASP.NET mapping information. 
 
2. .NET Framework 1.1 Runtime doesn't installed.
A: Please install .NET Framework 1.1 runtime.
 
3. Web Server specified by ASP.NET Web Project/Web Service Project is stopped or IP address cannot be mapped.
A: Please check IIS's Web configuration, include IP Address and working status. If your network IP address already changed, you must change your Web Site's IP Address. (If you use "localhost" to create Web Project, you can do nothing.)
 
4. Web Server specified by ASP.NET Web Project/Web Service Project cannot be found.
A: Please open your Web Project's solution file by using notepad (or other text editor), find your ASP.NET Web Project record, it will look like:
 
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "StoreCSVS", "http://localhost/ibuyspy/StoreCSVS.csproj", "{0F54A7D0-B7C2-481F-8E75-9209BACF9779}"
 ProjectSection(ProjectDependencies) = postProject
 EndProjectSection
EndProject
 
Edit the URL for this ASP.NET Web Project (e.g. update http://localhost/ibuyspy/StoreCSVS.csproj to http://192.168.0.182/ibuyspy/StoreCSVS.csproj ) , save this file and reopen it by Visual Studio.NET 2003.
 

MORE INFORMATION

PRB: "Not Running ASP.NET Version 1.1" Error Message When You Try to Open an ASP.NET Web Application Project in Visual Studio .NET 2003
http://support.microsoft.com/default.aspx?scid=kb;en-us;825792&Product=vsnet

Properties

Article ID: 555132 - Last Review: June 7, 2004 - Revision: 1.0
APPLIES TO
  • Microsoft Visual Studio .NET 2003 Professional Edition
  • Microsoft Visual Studio .NET 2003 Enterprise Developer
  • Microsoft Visual Studio .NET 2003 Enterprise Architect
Keywords: 
kbpubmvp kbpubtypecca kbhowto KB555132
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