All hosts that are running MSCS virtual machines can be part of a vCenter Server cluster with both vSphere HA and vSphere DRS enabled. You can enable vSphere HA and vSphere DRS in the Cluster Settings dialog box.
- Browse to the cluster in the vSphere Client.
- Click Configure.
- Under Services, select vSphere DRS and click Edit.
- Select the Turn ON vSphere DRS and Turn on vSphere HA check boxes.
- Click OK.