A. Log in to the vSphere Web Client, select the ESXi host and manually place it into Quarantine Mode.
B. Log in to the vCenter Server Appliance Management Ul and reboot the VCSA.
C. Log into the vSphere Web Client, select the cluster that the ESXi host belongs to and turn off DRS.
D. Log in to the host DCUI, press F2 and navigate to Troubleshooting Options> Restart management Agents.