{"id":208418,"date":"2024-01-19T11:53:16","date_gmt":"2024-01-19T11:53:16","guid":{"rendered":"https:\/\/www.ninjaone.com\/script-hub\/comment-localiser-les-fichiers-ost-surdimensionnes-powershell\/"},"modified":"2024-03-04T18:58:49","modified_gmt":"2024-03-04T18:58:49","slug":"comment-localiser-les-fichiers-ost-surdimensionnes-powershell","status":"publish","type":"script_hub","link":"https:\/\/www.ninjaone.com\/fr\/script-hub\/comment-localiser-les-fichiers-ost-surdimensionnes-powershell\/","title":{"rendered":"Comment utiliser PowerShell pour localiser efficacement les fichiers OST surdimensionn\u00e9s ?"},"content":{"rendered":"

Dans le monde actuel, il est primordiale de g\u00e9rer de fa\u00e7on efficace les espaces de stockage sur les syst\u00e8mes informatiques. Comme nous d\u00e9pendons de plus en plus de la communication num\u00e9rique, Microsoft Outlook est un outil sur lequel de nombreux professionnels s’appuient. Mais en cas d’utilisation prolong\u00e9e, les fichiers OST (Outlook Offline Storage Table)<\/a> peuvent augmenter consid\u00e9rablement en taille et occuper beaucoup d’espace disque. Nous pr\u00e9sentons ici un script PowerShell qui aide les professionnels de l’informatique \u00e0 localiser\u00a0les fichiers OST surdimensionn\u00e9s<\/strong><\/p>\n

Contexte<\/h2>\n

Le fichier OST est essentiellement une copie des \u00e9l\u00e9ments de la bo\u00eete e-mail d’Exchange Server. Au fil du temps, \u00e0 mesure que les donn\u00e9es s’accumulent, ces fichiers peuvent grandir et poser des probl\u00e8mes de stockage. Pour les professionnels de l’informatique et les fournisseurs de services g\u00e9r\u00e9s (MSP) en particulier, il est essentiel de garder un \u0153il sur ces fichiers volumineux afin de garantir des performances optimales du syst\u00e8me et de g\u00e9rer efficacement le stockage. Il ne s’agit pas seulement de lib\u00e9rer de l’espace, mais aussi de comprendre le comportement des utilisateurs, d’optimiser les ressources et d’anticiper les probl\u00e8mes \u00e9ventuels.<\/p>\n

Le script<\/h2>\n
<#\r\n.SYNOPSIS\r\n    Find large OST files in the user's folder or recursively under C:.\r\n.DESCRIPTION\r\n    Find large OST files in the user's folder or recursively under C:.\r\n.PARAMETER MinSize\r\n    The minimum file size. This expects the file size to be in gigabytes.\r\n.PARAMETER AllFolders\r\n    Will search all folders under C:.\r\n.EXAMPLE\r\n     -MinSize 50\r\n    Search for OST files larger than 50GB in each user's Outlook folder.\r\n.EXAMPLE\r\n     -AllFolders -MinSize 50\r\n    Search for OST files larger than 50GB under C: recursively.\r\n.OUTPUTS\r\n    String[]\r\n.NOTES\r\n    Minimum OS Architecture Supported: Windows 10, Windows Server 2016\r\n    Exit code 1: If at least 1 OST was found larger than MinSize\r\n    Exit code 0: If no OST's where found larger than MinSize\r\n    Release Notes:\r\n    Initial Release\r\nBy using this script, you indicate your acceptance of the following legal terms as well as our Terms of Use at https:\/\/www.ninjaone.com\/terms-of-use.\r\n    Ownership Rights: NinjaOne owns and will continue to own all right, title, and interest in and to the script (including the copyright). NinjaOne is giving you a limited license to use the script in accordance with these legal terms. \r\n    Use Limitation: You may only use the script for your legitimate personal or internal business purposes, and you may not share the script with another party. \r\n    Republication Prohibition: Under no circumstances are you permitted to re-publish the script in any script library or website belonging to or under the control of any other software provider. \r\n    Warranty Disclaimer: The script is provided \u201cas is\u201d and \u201cas available\u201d, without warranty of any kind. NinjaOne makes no promise or guarantee that the script will be free from defects or that it will meet your specific needs or expectations. \r\n    Assumption of Risk: Your use of the script is at your own risk. You acknowledge that there are certain inherent risks in using the script, and you understand and assume each of those risks. \r\n    Waiver and Release: You will not hold NinjaOne responsible for any adverse or unintended consequences resulting from your use of the script, and you waive any legal or equitable rights or remedies you may have against NinjaOne relating to your use of the script. \r\n    EULA: If you are a NinjaOne customer, your use of the script is subject to the End User License Agreement applicable to you (EULA).\r\n#>\r\n[CmdletBinding()]\r\nparam (\r\n    [Parameter()]\r\n    [double]\r\n    $MinSize = 50,\r\n    [switch]\r\n    $AllFolders\r\n)\r\n\r\nbegin {\r\n    function Test-IsElevated {\r\n        $id = [System.Security.Principal.WindowsIdentity]::GetCurrent()\r\n        $p = New-Object System.Security.Principal.WindowsPrincipal($id)\r\n        $p.IsInRole([System.Security.Principal.WindowsBuiltInRole]::Administrator)\r\n    }\r\n}\r\nprocess {\r\n    if (-not (Test-IsElevated)) {\r\n        Write-Error -Message \"Access Denied. Please run with Administrator privileges.\"\r\n        exit 1\r\n    }\r\n    $script:Found = $false\r\n\r\n    if ($AllFolders) {\r\n        $FoundFiles = Get-ChildItem C: -Filter *.ost -Recurse -Force -ErrorAction SilentlyContinue | Where-Object { $_.Length \/ ($MinSize * 1GB) -gt 1 }\r\n        $FoundFiles | Select-Object FullName, Length | ForEach-Object {\r\n            $Name = $_.FullName\r\n            $Size = $_.Length\r\n            Write-Host \"$Name $Size bytes\"\r\n        }\r\n        # If you wish to automatically remove the file(s) uncomment the line below. Do note that this is permanent! Make backups!\r\n        # $FoundFiles | Remove-Item -Force -Confirm:$false\r\n        if ($FoundFiles) {\r\n            $script:Found = $true\r\n        }\r\n    }\r\n    else {\r\n        $UsersFolder = \"C:Users\"\r\n        $Outlook = \"AppDataLocalMicrosoftOutlook\"\r\n        Get-ChildItem -Path $UsersFolder | ForEach-Object {\r\n            $User = $_\r\n            $Folder = \"$UsersFolder$User$Outlook\"\r\n            if ($(Test-Path -Path $Folder)) {\r\n                $FoundFiles = Get-ChildItem $Folder -Filter *.ost | Where-Object { $_.Length \/ ($MinSize * 1GB) -gt 1 }\r\n                $FoundFiles | Select-Object FullName, Length | ForEach-Object {\r\n                    $Name = $_.FullName\r\n                    $Size = $_.Length\r\n                    Write-Host \"$Name $Size bytes\"\r\n                }\r\n                # If you wish to automatically remove the file(s) uncomment the line below. Do note that this is permanent! Make backups!\r\n                # $FoundFiles | Remove-Item -Force -Confirm:$false\r\n                if ($FoundFiles) {\r\n                    Write-Verbose \"Found\"\r\n                    $script:Found = $true\r\n                }\r\n            }\r\n        }\r\n    }\r\n\r\n    if ($script:Found) {\r\n        exit 1\r\n    }\r\n    exit 0\r\n}\r\nend {}<\/pre>\n
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