When a vSphere administrator attempts to remediate a host with Update Manager, the host is unable to enter maintenance mode.
Which condition is likely preventing the host from entering maintenance mode?
A. A virtual machine on the host has a removable device connected.
B. A virtual machine on the host is configured to use Fault Tolerance.
C. A virtual machine is powered off and cannot be migrated to another host.
D. A virtual machine is configured with a local .vswp file.
