You run a Windows Server 2008 Service Pack 1 PKI system and have configured the use of digital certificates for your network devices. You wish to configure the PKI environment to automatically renew these device certificates when they approach expiration.

What do you need to do to accomplish this?

A. Install a Windows Server 2008 R2 CA server B. Configure OCSP for the environment C. Add the Enroll permission to the certificate template D. Include this requirement in the certificate practice statements (CPSs) on the policy server