Remote users report that after they renew their smart card certificates, they are unable to log on to their computers by using their smart cards.

You need to ensure that users can log on by using their smart cards.

What should you instruct the users to do?

A.
Change their smart card PINs.

B.
Request a new smart card certificate.

C.
Log on by using their user names and passwords, and then lock and unlock their computers.

D.
Establish a VPN connection from the logon screen and use their smart cards for authentication.