Product name Major Minor Windows Cougar 4 0 Services on Windows NT Server 4.0 Windows Cougar 4 1 Media Services on Windows 2000 Server Windows Cougar 9 0 Media Services on Windows Server 2003 Windows Cougar 9 1 Media Services on Windows Server 2003 operating system with Service Pack 1 (SP1) Windows Cougar 9 5 Media Services on Windows Server 2008 Windows Cougar 9 6 Services on Windows Server 2008 R2 Windows Rex 4 0 Media Encoder 4.0 Windows Rex 7 0 Media
Product name Major Minor Windows Services on Windows NT Server 4.0 Cougar 4 0 Windows Media Services on Windows 2000 Server Cougar 4 1 Windows Media Services on Windows Server 2003 Cougar 9 0 Windows Media Services on Windows Server 2003 operating system with Service Pack 1 (SP1) Cougar 9 1 Windows Media Services on Windows Server 2008 Cougar 9 5 Windows Services on Windows Server 2008 R2 Cougar 9 6 Windows Media Encoder 4.0 Rex 4 0 Windows Media Rex 7 0