Change ESXI host root account password

ps1

#Create a Host List
$vmhosts = Get-VMhost

$Get credential required to log in as root on the ESXI Hosts
$oldCredential = Get-Credential

$vmhosts | foreach {Connect-Viserver $_.Name -credential $oldCredential -warningaction silentlycontinue ; Set-VMHostAccount -UserAccount root -password "TYPE_YOUR_PASSWORD_HERE" ; Disconnect-viserver -server $_.Name -Confirm:$false}