References to help manage certificates used with Exchange 2010
Managing Certificates in Exchange Server 2010 (Part 1) http://www.msexchange.org/articles_tutorials/exchange-server-2010/management-administration/managing-certificates-exchange-server-2010-part1.html
Managing Certificates in Exchange Server 2010 (Part 2) http://www.msexchange.org/articles_tutorials/exchange-server-2010/management-administration/managing-certificates-exchange-server-2010-part2.html
Managing Certificates in Exchange Server 2010 (Part 3) http://www.msexchange.org/articles_tutorials/exchange-server-2010/management-administration/managing-certificates-exchange-server-2010-part3.html
Free SSL Certificate for your Exchange 2010 server http://www.lynclog.com/2009/12/free-ssl-certificate-for-your-exchange.html
StartSSL http://www.startssl.com/
Install certificate after deleting the pending certificate request http://www.microsoft.com/technet/prodtechnol/WindowsServer2003/Library/IIS/53dfdb5e-6106-4d99-85bb-da199bc27c7e.mspx?mfr=true
