$VMHost="MyVMHostName"

$Account="BuAdmin"

Connect-VIServer -Protocol https -Server $VMHost -User root -Password "YourPassword"

#Create User with Shell Access

Write-Host "Creating User For: $Account"
New-VMHostAccount -Id $Account -Password "YourNewAccountPassword" -GrantShellAccess
#Assign Administrator Permission

$RootFolder = Get-Folder -Name ha-folder-root

New-VIPermission -Entity $RootFolder -Principal $Account -Role Admin
Disconnect-VIServer  $VMHost -Confirm:$false