PHP Version

• For Red Hat Enterprise Linux 5: PHP 5.1. See this forum post for known issues and limitations.
• For all other operating systems: PHP 5.2.x

Web Servers

• Apache 1.3x or later
• IIS 6
• IIS 7

Database

• MySQL 5.0

Operating Systems

Linux

• CentOS 5
• Debian 4.0 "etch"
• Novell SuSE Enterprise Linux 9 or above
• Red Hat Enterprise Linux 5
• Ubuntu Linux, Desktop Edition 8.04 LTS
• Ubuntu Linux, Server Edition 8.04 LTS

Solaris

• Solaris 10

Mac

• Mac OS X Desktop 10.5x
• Mac OS X Server 10.5x

Windows

• Windows XP Professional or Home Edition
• Windows Server 2003 with Service Pack 1 + R2
• Windows Server 2008
• Windows Vista Service Pack 1