Active Directory Certificate Services is a role first made available in Windows Server 2008. Previously it was known as certificate services.
Active Directory Certificate Services is a set of technologies from Microsoft that offer the ability to create a PKI infrastructure.
- The official product group blog - http://blogs.technet.com/pki
- The official support engineer blog - http://blogs.technet.com/askds
Active Directory Certificate Services specific documentation are collated at http://social.technet.microsoft.com/wiki/contents/articles/windows-pki-documentation-reference-and-library.aspx