SQL Server 2012 Native Client setup failed on Windows Server 2003 SP2

Hi,
My PHP script throws the following error when trying to connect from PHP to SQL Server.
My machine is having: Windows Server 2003 SP2
Error message:
===============================================================================
This extension requires the Microsoft SQL Server 2012 Native Client. Access the following URL to download the Microsoft SQL Server 2012 Native Client ODBC driver for x86
===============================================================================
I found the Microsoft SQL Server 2012 Native Client and downloaded it from the following location:
File: sqlncli.msi
Supported Operating System Windows 7, Windows 8, Windows Server 2003 Service Pack 2, Windows Server 2008 R2 SP1, Windows Server 2012, Windows Vista Service Pack 2
 
Issue:
Though I see "Windows Server 2003 Service Pack 2" Supporting Operating System, the insta ...