IBM Computer, Laptops and Servers

1. If you are running Windows Server 2003, you are running IIS 6.0 / ASP 3.0 (though some people like to call this ASP 4.0).
2. If you are running Windows XP, you are running IIS 5.1 / ASP 3.0.
3. If you are running Windows 2000, you are running IIS 5.0 / ASP 3.0.
4. If you are running Windows NT 4.0 or Windows 9x, you can determine which version of IIS / PWS you are running by one of the following methods: 
    
   

   <%      response.write(Request.ServerVariables("SERVER_SOFTWARE"))      ' returns "Microsoft-IIS/4.0" for IIS 4.0 + ASP 2.0  %>

    
   OR 
    
   
   Look for Windows NT 4.0 Option Pack in Add/Remove Programs (Control Panel). If it is there, you are running IIS 4.0 (NT Server) or PWS 4.0 (NT Workstation or Win9x).
    
   OR 
    
   
   1. Do a search for ASP.DLL on your system
   2. right-click it and select Properties
   3. Check the version tab: 
       
      
      IIS 3.0 shows 1.x 
      IIS 4.0 shows 2.x 
      IIS 5.0 shows 5.0.2195.x 
      IIS 5.1 shows 5.1.2600.x 
      IIS 6.0 shows 6.0.3790.x

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