Create a SSL certification request thru Exchange management Shell using the
New-ExchangeCertificate cmd let
For those of you that don’t remember the syntax of the cmdlet.
below link will be of great help & it will generate the syntax for you, just fill in the values.
http://www.tachytelic.net/2010/03/new-exchangecertificate-cmdlet-syntax-generator/
Tech Wizard 