# $cred = get-Credential -credential kdoan-a
$Username = 'kimconnect\kim-Admin
$Password = 'PASSWORD'
$pass = ConvertTo-SecureString -AsPlainText $Password -Force
$cred = New-Object -TypeName System.Management.Automation.PSCredential -ArgumentList $Username,$pass 

# Initialize
$servers="servero1","server02"
$services=""
$output=""

# List all currently running services on remote hosts > output to comma delimited strings
function listServices{
Foreach ($server in $servers){
    $runningServices=Invoke-Command -ComputerName $server -Credential $cred -ScriptBlock {Get-WmiObject win32_service -Filter "State='running' AND StartMode='Auto'"};
    $runningServices='"{0}"' -f ($runningServices.name -join '","')
    $output+=@(($server),($runningServices))
    }
    $output    
}
listServices