Question : What is the difference between a MSI and MST file.?

Hi,

What is the difference between a MSI and MST file.?
Which is better to deploy software through GPO.

Regards
sharath

Answer : What is the difference between a MSI and MST file.?

An MST file is essentailly an MSI file with a different extention to indicate its a "transform"
see http://www.dawnstar.com.au/wpshelp/basics.html
and
http://msdn.microsoft.com/en-us/library/aa367988.aspx