Dear All Sorry for this question but I need to know the difference between other versions of windows and R2. Thanks Vijay

there's a ton of stuff which would take much too long to detail here. it'd be easier to know what you are evaluating specifically. if you want general feature enhancements: http://www.microsoft.com/windowsserver2008/en/us/whats-new.aspx or if you are adventurous, you can drill into each of these pages: http://technet.microsoft.com/en-us/library/dd391932(WS.10).aspx hth /richhttp://cbfive.com/blog