vmware-powercli-vcenter-enable-ssh.ps1

#The cluster you want to enable SSH on
$cluster = YOU_CLUSTER;

$hosts = Get-Cluster $cluster | Get-VMHost
#Start SSH service
$hosts | ForEach {Start-VMHostService -HostService ($_ | Get-VMHostService | Where {$_.key -eq "TSM-SSH"})}
#Enable SSH service (start when ESXi boots)
$hosts | ForEach {Set-VMHostService -Policy On -HostService ($_ | Get-VMHostService | Where {$_.key -eq "TSM-SSH"})}
#Supress nasty SSH warning, we know what we're doing yade yade yade...
$hosts | ForEach {Get-AdvancedSetting UserVars.SuppressShellWarning | Set-AdvancedSetting -Value 1}

Starts and enables SSH for all ESXi hosts within a vCenter host cluster.