What happens if an administrator removes a user, who is currently logged in to vCenter Server, from an Active Directory domain?

A.
The user is given a warning that he or she is about to be logged out and given a 1 hour grace period.

B.
The user can remain logged in indefinitely, but once the user logs out, the user cannot log back in.

C.
The user is logged out of vCenter Server and cannot log back in.