| Name | Description | 
| disabled | Do not use encrypted vMotion, even if available. 
 | 
| opportunistic | Use encrypted vMotion if source and destination hosts support it,
 fall back to unencrypted vMotion otherwise.
 This is the default option. 
 | 
| required | Allow only encrypted vMotion. If the source or destination host does
 not support vMotion encryption, do not allow the vMotion to occur. 
 |