Visual studio.net has detected that the specified web server is not running ASP. net1.1. You will not be able to run Asp.net Web applications or services

Solution:
1. Are you sure you haveInstall. NET Framework 1.1To view the directory c: \ winnt \ Microsoft. NET \ framework \ v1.1.4322. Restart IIS.

2. Make sure that the "Default web site" is used in your "Internet Information Service" and the IP address in the attribute is "(all are not allocated )",Not specified IP Address. Do not delete the default web site. If yes, you can create a directory named "Default web site.

3. If IE uses a proxy, check "Bypass proxy server for local adresses", that is, "No proxy server for local addresses.

4. For configuration problems, choose "start" in Windows>Program-> Visual Studio. NET 2003-> Visual Studio. NET tool-> Visual Studio. NET command prompt. Open the window and enterAspnet_regiis/IWait a moment, prompt to start installation, end installation, and return to the prompt.

5. reinstall IIS. Step 4 is also required after reinstallation.

6. If the problem persists, reinstall framwork,. net, and the operating system.

Finally, let's talk about a security problem. Try not to point IIS to the default path c: \ Inetpub \ wwwroot, which is very vulnerable to attacks. It is best to point it back to a new path, and then delete the wwwroot folder. If you need to upload files, you must stop uploading ". "HTA" file to grant Website access permissions, block and execute the HTA file, and back up the database!