A customer has a physical proxy configured for Direct Storage Access without failover to network mode. The backup fails. What could be the issue?

A. The disks being processed are IDE and/or SATA
B. The datastores are properly zoned and exposed to the proxy server but in read-only mode
C. The storage is not added into the storage infrastructure, inside the backup and replication console

D. Write access has not been enabled on the SAN

E. One or more of the VM disk(s) are on Wols

Reference: https://helpcenter.veeam.com/docs/backup/vsphere/direct_san_access.html?ver=100