Your network contains an Active Directory domain named Contoso.com. Contoso.com contains certification authority on CA1.
You enable Secure Tunneling Protocol (SSTP) on a server named Server1.
A user named User1 attemps to establish an SSTP connection to Server1 and recives the following message:”Error 0xBC… Access not CRL Server”
You verify that all certificates services are online.
You need to ensure that certificates are online.
You need to ensure that User1 can connect to Server1 by using SSTP.
What should you do first?

A.
Configure User1 for certificate autoenrollment.

B.
Configure a pre-shared key for IPSec on User1`s computer.

C.
Add a certificate to Server1 that contains server1.contoso.com as a Subject Alternative Name (SAN)

D.
Publish the certificate renovation list distribution point (CDP) to a location that is accessible from the Internet.