In three ESXi hosts Cluster of vSphere HA with failover host, vCLS VM vMotion continues to fail after the maintenance of ESXi.
vCenter 7.0
vCLS scheduler tries to vMotion vCLS VM to failover host.
Upgrade vCenter 7.0 U3o or later.
Workaround: Disable vSphere HA, wait 1 minute for hosts to un-configure HA FDM agents, and Re-Enable it.