What happens to the access if CHAP is disabled on the ESX Host?

An ESX Server is configured to access an iSCSI target using CHAP authentication. What happens to the access if CHAP is disabled on the ESX Host?

A.
Access is unaffected until the CHAP is disabled at the iSCSI target

B.
Access is immediately removed

C.
Access is unaffected until either the ESX Server or the iSCSI Array are restarted

D.
Access is removed on the next rescan