function LoopFolders([string]$path,[string]$logpath) {
  $fs = new-object -com scripting.filesystemobject
  $folder = $fs.getfolder($path)
  $today = get-date -uformat "%Y_%m_%d"
  $log = $logpath +  "Deleted_" +  $today + ".log"
  
  foreach ($i in $folder.files)
   
  {
  
   if($folder.path -contains "Master" -or $folder.path -contains "Model" -or $folder.path -contains "Certificates")
    
    {break}
    else
    {
           $dt = ((Get-Date) - $i.DateLastModified).Days         
           if ($dt -gt 2 -and $i.PsISContainer -ne $True )
            {
                  
                $deleted = "Deleting - " + $i.path + " - Last Write Time - " + $i.DateLastModified
                add-content $log -value $deleted              
                remove-item $i.path
              
            }
    }
    
  }
      foreach ($i in $folder.subfolders) 
      {
        LoopFolders($i.path)
      }
}
LoopFolders "C:\DatabaseBackUps" "C:\DatabaseBackUps\BackUpDeleteLogs"
LoopFolders "\\10.1.1.10\DatabaseBackups" "\\10.1.1.10\Database\BackUpDeleteLogs"

The corresponding line is 'remove-item $i.path'. Correct the script and reschedule the job. The error information returned by PowerShell is: 'Invalid Path: '\\10.1.1.10\database\LogBackUp\PRODUCTION_ALLIED\PRODUCTION_ALLIED_backup_2012_06_01_093000_6722391.trn'.  '.  Process Exit Code -1.  The step failed.

#################################################
#init variables

$directory = "\\servername\sharename"
$retentionDate = (Get-Date).AddDays(-2)

#################################################
# nothing below here needs to change

Get-ChildItem $directory |? {($_.PSIsContainer -eq $false) -and ($_.LastWriteTime -lt $retentionDate)} | Remove-Item -WhatIf

#################################################
#init variables

$directory = "\\servername\sharename"
$retentionDate = (Get-Date).AddDays(-2)

#################################################
# nothing below here needs to change

Get-ChildItem $directory -Recurse |? {($_.PSIsContainer -eq $false) -and ($_.LastWriteTime -lt $retentionDate)} | Remove-Item -WhatIf

powershell.exe -command "your powershell script"