PowerShell - Restart Services

######################################################################################################################
## Name: RestartService.ps1
## Function: Restart the service/s on any given server
##Version: 1
##Author : RT
##Usage: Admin/Advanced only
##Notes: Call in order the server/service you want to restart e.g. FuncRestartService "Server1" "MSSQLSRV01",
## ensure that the SMTP/email settings are correct. 
######################################################################################################################

##################
## FUNCTIONS
##################
function FuncMail 
{#param ($strTo, $strFrom, $strSubject, $strBody, $smtpServer)
param($To, $From, $Subject, $Body, $smtpServer)
$msg = new-object Net.Mail.MailMessage
$smtp = new-object Net.Mail.SmtpClient($smtpServer)
$msg.From = $From
$msg.To.Add($To)
$msg.Subject = $Subject
$msg.IsBodyHtml = 1
$msg.Body = $Body
$smtp.Send($msg)
}

function FuncRestartService ($server, $service) 
{
$intPingError = 0 
$intError = 0

$ping = new-object System.Net.NetworkInformation.Ping
try
{
$rslt = $ping.send($server)
}
catch
{
$intPingError = 1
$strError = $Error
}
if ($intPingError –eq 0) #sucess: ping
{
 write-host "...ping returned, running service restart"
try
{
restart-Service -InputObject $(Get-Service -Computer $server -Name $service ) -force
}
catch
{
$intError = 1
$strError = $Error
}
if ($intError -eq 1) #failure: restart - fully exit program
{
Write-Host "...an error occured, notifing by email"
FuncMail -To $emTo -From $emFrom -Subject "Server: $server - Error" -Body "$server\$service restart was attempted but failed. Details: $strError" -smtpServer $emSMTP
break
}
else #success: restart 
{
write-host "...finshed restarting service email sent"
FuncMail -To $emTo -From $emFrom -Subject "Server: $server - Restart" -Body "$server\$service has been restarted" -smtpServer $emSMTP
}
}
else #failure: ping - fully exit program
{
Write-Host "...ping failed, notifying via email"
FuncMail -To $emTo -From $emFrom -Subject "Server: $server - Status" -Body "$server is not responding to ping, please investigate. Details: $strError" -smtpServer $emSMTP
break
}
}
##################
## EMAIL Variables
##################
$emTo = 'To@Domain.com'
$emFrom= 'From@Domain.com'
$emSMTP= 'domain.com'

##################
## RUN Program
##################
Write-Host "Starting Program..."

FuncRestartService "Server1" "ServiceOfSorts"
FuncRestartService "Server2" "DependantService"

Write-Host "...program complete"