The IIS.NET blog published a picture walkthrough about installing PHP 5.2.4 on Windows Server 2008 RC0
>> Installing PHP 5.2.4 on Windows Server 2008 RC0 in Pictures
Windows Server 2008 RC0 is now available for beta testing. Here is a picture walkthrough for getting PHP 5.2.4 working on Server 2008.
>> Installing PHP 5.2.4 on Windows Server 2008 RC0 in Pictures
