1. http://pro-studio.spaces.live.com/blog/cns!7CEDD8FA2A6B9050!746.entry
2. http://www.experts-exchange.com/Software/Server_Software/Email_Servers/Exchange/Q_23860405.html
3. http://help.godaddy.com/article/4801
N.B.: If you are going to install a certificate which has a p7b extension, then rename it to .cer before u start.