$ESXArray = @(
    New-Object PSObject -Property @{Hostname = 'ServerNameONE';  Password = 'Passw0rd1'}
    New-Object PSObject -Property @{Hostname = 'ServerNameTWO';  Password = 'Passw0rd2'}
    New-Object PSObject -Property @{Hostname = 'ServerNameThree';  Password = 'Passw0rd3'}
)

$cmdsub = @'
/etc/init.d/slpd stop;
/etc/init.d/slpd status;
esxcli network firewall ruleset set -r CIMSLP -e 0;
chkconfig slpd off;
chkconfig --list | grep slpd;
'@

foreach($ESXHostObject in $ESXArray)
{
    Write-Host "Processing $($ESXHostObject.Hostname)"
    $secPswd = ConvertTo-SecureString $($ESXHostObject.Password) -AsPlainText -Force
    $cred = New-Object System.Management.Automation.PSCredential ('root', $secPswd)
    $ESXHost = Get-VMHost -Name $ESXHostObject.Hostname
    Get-VMHostService -VMHost $ESXHost | where{$_.Key -eq 'TSM-SSH'} | Start-VMHostService -Confirm:$false | Out-Null
    $session = New-SSHSession -ComputerName $ESXHost.Name -Credential $cred –AcceptKey
    Invoke-SSHCommand -SSHSession $session -Command $cmdSub | Select -ExpandProperty Output
    Remove-SSHSession -SSHSession $session | Out-Null
    Get-VMHostService -VMHost $ESXHost | where{$_.Key -eq 'TSM-SSH'} | Stop-VMHostService -Confirm:$false | Out-Null
}