If you're running a Windows Server and you have to run PHP websites on it chances are that you will be asked to apply rules from a .htaccess file to one of the websites on your server. Windows Server does not use .htaccess files. These usually come from Apache servers. However, Windows Servers use a similar file called the Web.Config file located at the root of all your websites hosted on your Windows Server.
You'll be glad to know that there is a converter built into IIS 7 that will convert any .htaccess rules into the format required for the Web.Config file. To convert your .htaccess file simply follow these instructions: