VG
Get-ChildItem -Recurse -Path "$env:PROGRAMFILES\Microsoft\Exchange Server\V15\Logging\HttpProxy" -Filter '*.log'| ForEach {Import-Csv -Path $_.FullName| Where-Object { $_.AuthenticatedUser -eq "" -and $_.AnchorMailbox -like 'ServerInfo~*/*' } | select DateTime, AnchorMailbox }