Needed to do this to use a wildcard cert (GoDaddy) (CSR/key generated by openssl), on a new exchange 2010 deployment

openssl pkcs12 -export -certfile fordodone.com.crt -inkey fordodone.com.key -clcerts -out fordodone.com.key.p12

When importing to certificates, it complains that it doesn’t have any content, but after certutil repair store it seems to work. No time, movin on.