{"id":208536,"date":"2024-01-19T13:19:23","date_gmt":"2024-01-19T13:19:23","guid":{"rendered":"https:\/\/www.ninjaone.com\/script-hub\/powershell-zum-effizienten-auffinden-uebergrosser-ost-dateien-verwenden\/"},"modified":"2024-03-04T18:59:13","modified_gmt":"2024-03-04T18:59:13","slug":"powershell-zum-effizienten-auffinden-uebergrosser-ost-dateien-verwenden","status":"publish","type":"script_hub","link":"https:\/\/www.ninjaone.com\/de\/script-hub\/powershell-zum-effizienten-auffinden-uebergrosser-ost-dateien-verwenden\/","title":{"rendered":"PowerShell zum effizienten Auffinden \u00fcbergro\u00dfer OST-Dateien verwenden"},"content":{"rendered":"

In der heutigen digitalisierten Arbeitswelt ist die effektive Verwaltung von Speicherplatz auf Computersystemen von gr\u00f6\u00dfter Bedeutung. Da wir uns immer mehr auf die digitale Kommunikation verlassen, ist ein Tool, auf das sich viele Fachleute verlassen, Microsoft Outlook. Bei l\u00e4ngerer Verwendung k\u00f6nnen die OST-Dateien (Outlook Offline Storage Table)<\/a> erheblich an Gr\u00f6\u00dfe zunehmen und m\u00f6glicherweise gro\u00dfe Mengen an Speicherplatz belegen. Hier stellen wir ein PowerShell-Skript vor, das IT-Experten beim Auffinden von\u00a0\u00fcbergro\u00dfen OST-Dateien<\/strong>unterst\u00fctzt<\/p>\n

Hintergrund<\/h2>\n

Die OST-Datei ist im Wesentlichen eine Kopie der Postf\u00e4cher von Exchange Server. Im Laufe der Zeit, wenn immer mehr Daten anfallen, k\u00f6nnen diese Dateien anschwellen, was zu Problemen bei der Speicherung f\u00fchrt. Vor allem f\u00fcr IT-Expert:innen und Managed Service Provider (MSPs) ist es wichtig, solche gro\u00dfen Dateien im Auge zu behalten, um eine optimale Systemleistung zu gew\u00e4hrleisten und den Speicher effizient zu verwalten. Es geht nicht nur darum, Speicherplatz freizugeben, sondern auch darum, das Nutzerverhalten zu verstehen, die Ressourcen zu optimieren und potenziellen Problemen vorzubeugen.<\/p>\n

Das Skript<\/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
 <\/p>\n\n
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Detailansicht<\/h2>\n
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