Recently a adjustment was made to the vCenter Cluster HA Agent timeout Settings.
Ref: https://kb.vmware.com/s/article/2017778
Performing a Reconfigure for VMware HA operation on a primary node causes an unexpected virtual machine failover
This calles for at script, because there is no way we are going to do this by hand! Feel free to use or alter the script, just remember. It is all done at your own risk.
Continue reading VMware HA Cluster: Set-Advanced HA Settings