Automated Daily Site Collection Back up

Automated Daily Site Collection Back up 

Add-PsSnapin Microsoft.SharePoint.Powershell –ErrorAction SilentlyContinue
try
 {
    $today = (Get-Date -Format dd-MM-yyyy)
    $backupDirectory = "D:\Backup\DailySiteCollectionBackUp\$today"
  # Backup file Location
    $backupFile = "D:\FPBackup\DailySiteCollectionBackUp\$today\Backup.dat"
  # Log file location
    $logFile = "$backupDirectory\BackupLog.log"  
  # Address of the Site Collection to backup
    $Site = "http://moss01/"
  
 # Location of the Backup Folder
    if (-not (Test-Path $backupDirectory))
    {
      [IO.Directory]::CreateDirectory($backupDirectory)
      #New-Item $logPath -type $backupDirectory
    }
 
 # Get backup start date and time
    $backupStart = Get-Date -format "MM-dd-yyyy HH.mm.ss"
  
  # creates a log file  Start-Transcript -Path
    Start-Transcript -Path $logFile
    
 # This will actually initiate the backup process.
      Write-Host  
      Write-Host  
      Write-Host "Backup starting at $backupStart for $Site "  
      Write-Host "******************************************"
     Backup-SPSite -Identity $Site -Path $backupFile -Force
     $backupComplete = Get-Date -format "MM-dd-yyyy HH.mm.ss"
      Write-Host  
      Write-Host  
      Write-Host "Backup Completed at $backupComplete for $Site "  
      Write-Host "******************************************"
 
 Stop-Transcript
 }
Catch
 {
  $ErrorMessage = $_.Exception.Message
  write "$today BackUp Failed   $ErrorMessage  ">>$logFile

 }