If you are running a small workgroup of computers, you may want to use a computer running Windows Vista as a Web server for ASP.NET development. 

You can do so by installing Internet Information Services (IIS).By default, IIS 7.0 is not installed on Windows Vista® Business or Windows Vista® Ultimate.It provides for basic Web server functionality and includes the WWW, FTP, NNTP, and SMTP services.If you want to install IIS server you need to have vista business or ultimate editions.

You can install IIS using the following steps

Click Start—>Click Control Panel

Now Click Programs

Click Programs and Features

Select Windows features on or off from the left column

In the Windows Features dialog box, click Internet Information Services and then click OK.

Installation is in progress

Install IIS 7 Using script

• Type the following command into a script:

start /w pkgmgr /iu:IIS-WebServerRole;IIS-WebServer;IIS-CommonHttpFeatures;IIS-StaticContent;

IIS-DefaultDocument;IIS-DirectoryBrowsing;IIS-HttpErrors;IIS-HttpRedirect;

IIS-ApplicationDevelopment;IIS-ASPNET;IIS-NetFxExtensibility;IIS-ASP;IIS-CGI;

IIS-ISAPIExtensions;IIS-ISAPIFilter;IIS-ServerSideIncludes;

IIS-HealthAndDiagnostics;IIS-HttpLogging;IIS-LoggingLibraries;

IIS-RequestMonitor;IIS-HttpTracing;IIS-CustomLogging;IIS-ODBCLogging;

IIS-Security;IIS-BasicAuthentication;IIS-WindowsAuthentication;

IIS-DigestAuthentication;IIS-ClientCertificateMappingAuthentication;

IIS-IISCertificateMappingAuthentication;IIS-URLAuthorization;

IIS-RequestFiltering;IIS-IPSecurity;IIS-Performance;IIS-HttpCompressionStatic;

IIS-HttpCompressionDynamic;IIS-WebServerManagementTools;IIS-ManagementConsole;

IIS-ManagementScriptingTools;IIS-ManagementService;IIS-IIS6ManagementCompatibility;

IIS-Metabase;IIS-WMICompatibility;IIS-LegacyScripts;IIS-LegacySnapIn;

IIS-FTPPublishingService;IIS-FTPServer;IIS-FTPManagement;

WAS-WindowsActivationService;WAS-ProcessModel;WAS-NetFxEnvironment;

WAS-ConfigurationAPI

Now you need to open your web browser and type the following URL for testing

http://localhost

Once IIS is installed, your computer running Windows Vista will be able to function as a Web server. Also, Windows Vista is limited to the number of concurrent inbound connections that it can accept. Home Editions support a maximum of 5 connections. All other editions support a maximum of 10.