Powershell Script to Start SharePoint Timer Service

$LogTime = Get-Date -Format yyyy-MM-dd_hh-mm
$LogFile = ".\StartSPTimerServicePatch-$LogTime.rtf"

# Add SharePoint PowerShell Snapin


if ( (Get-PSSnapin -Name Microsoft.SharePoint.PowerShell -ErrorAction SilentlyContinue) -eq $null ) {
    Add-PSSnapin Microsoft.SharePoint.Powershell
}

$scriptBase = split-path $SCRIPT:MyInvocation.MyCommand.Path -parent
Set-Location $scriptBase


#Deleting any .rtf files in the scriptbase location
$FindRTFFile = Get-ChildItem $scriptBase\*.* -include *.rtf
if($FindRTFFile)
{
 foreach($file in $FindRTFFile)
  {
   remove-item $file
  }
}


start-transcript $logfile

$global:timerServiceName = "SharePoint 2010 Timer"
$global:timerServiceInstanceName = "Microsoft SharePoint Foundation Timer"

# Get the local farm instance
[Microsoft.SharePoint.Administration.SPFarm]$farm = [Microsoft.SharePoint.Administration.SPFarm]::get_Local()

Function StartSPTimerServicesInFarm([Microsoft.SharePoint.Administration.SPFarm]$farm)
{
 Write-Host ""
 foreach($server in $farm.Servers)
     {
  foreach($instance in $server.ServiceInstances)
          {
               # If the server has the timer service then stop the service
                 if($instance.TypeName -eq $timerServiceInstanceName)
                 {
                   [string]$serverName = $server.Name

                   Write-Host "Start " $timerServiceName " service on server: " $serverName -fore yellow

                    $service = Get-WmiObject -ComputerName $serverName Win32_Service -Filter "DisplayName='$timerServiceName'"
                   $serviceInternalName = $service.Name
                   sc.exe \\$serverName start $serviceInternalName > $null

                     # Wait until this service starts running
      write-host "Waiting for " $timerServiceName " service on server: " $serverName " to be started" -fore yellow
                     do
          {
               Start-Sleep 1
                Write-Host -foregroundcolor DarkGray -NoNewLine "."
               $service = Get-WmiObject -ComputerName $serverName Win32_Service -Filter "DisplayName='$timerServiceName'"
          }
         while ($service.State -ne "Running")
     write-host $timerServiceName " service on server: " $serverName " started successfully" -fore green
                    break;
                 }
          }
     }

     Write-Host ""
}

StartSPTimerServicesInFarm $farm

stop-transcript