Windows SSL Certificate Installation
The Digicert cert utility for Windows make the process so much easier:
To generate the CSR:
https://www.digicert.com/util/csr-creation-microsoft-active-directory-ldap-2012-digicert-utility.htm
To install the Cert:
https://www.digicert.com/ssl-certificate-installation-microsoft-active-directory-ldap-2012.htm
For LDAPS on a domain controller, I did not have to import the cert file into the AD DS personal store.