Give this a try Extract the php zip file that ya downloaded to (c:\php\). Copy php.ini-dist to (C:\windows\) and rename it to php.ini Copy phpts.dll to (C:\windows\system32\) Open Control Panel and goto Administrative Tools and open Internet Information Services Open the local computer branch and goto Web Service Extensions. Select Add a new Web service extension. For the Extension name type in PHP. Hit the Add button. Hit the Browse... button to find php4isapi.dll in the sapi folder where you extracted. Enable the checkbox for Set extension status to Allowed and hit OK. Right click the Web Sites branch and select Properties. Goto the Home Directory tab and hit the Configuration... button. Hit the Add... button and then hit the Browse... button to find php4isapi.dll For the extension put php and hit the OK button. Restart the World Wide Web Publishing Service. Also search your php.ini for: cgi.force_redirect and set it to 0 This needs to be turned off, php & IIS dosent work with this set to 1