Which two steps could be taken to correct the problem?

Click the Exhibit button. An administrator is applying patches to a batch of ESXi 5.x hosts in an under-allocated HA/DRS cluster.
An attempt is made to place the host into maintenance mode, but the progress has stalled at 2%. DRS is configured as shown in the exhibit.
Of the four choices below, two would effectively resolve this issue. Which two steps could be taken to correct the problem? (Choose two.)

A. Enable VMware EVC.
B. Set the virtual machines on the host to Fully Automated.
C. Shut down the virtual machines on the host.
D. Move the virtual machine swap file off the local datastore.