{"id":208541,"date":"2024-01-22T10:03:09","date_gmt":"2024-01-22T10:03:09","guid":{"rendered":"https:\/\/www.ninjaone.com\/script-hub\/so-entfernen-sie-einen-computer-mithilfe-von-powershell-aus-einer-domaene\/"},"modified":"2024-03-04T19:10:48","modified_gmt":"2024-03-04T19:10:48","slug":"so-entfernen-sie-einen-computer-mithilfe-von-powershell-aus-einer-domaene","status":"publish","type":"script_hub","link":"https:\/\/www.ninjaone.com\/de\/script-hub\/so-entfernen-sie-einen-computer-mithilfe-von-powershell-aus-einer-domaene\/","title":{"rendered":"So entfernen Sie einen Computer mithilfe von PowerShell aus einer Dom\u00e4ne"},"content":{"rendered":"

Im komplexen \u00d6kosystem der IT-Verwaltung ist es von grundlegender Bedeutung, sicherzustellen, dass Ger\u00e4te korrekt in eine Netzwerkdom\u00e4ne aufgenommen oder aus ihr entfernt werden. F\u00fcr IT-Expert:innen ist diese Aufgabe in der Regel repetitiv, aber die Bedeutung einer nahtlosen Ausf\u00fchrung kann nicht hoch genug eingesch\u00e4tzt werden. Heute stellen wir Ihnen ein PowerShell-Skript vor, mit dem Sie einen Computer<\/strong> m\u00fchelos aus einer Dom\u00e4ne entfernen k\u00f6nnen.<\/p>\n

Hintergrund<\/h2>\n

Das bereitgestellte Skript ist auf den speziellen Bedarf der Automatisierung von Dom\u00e4nen-Egress-Vorg\u00e4ngen ausgerichtet. Dom\u00e4nen dienen dazu, Benutzerkonten, Computer und Gruppenrichtlinien unter einem zentralen Dach zusammenzufassen. Es gibt verschiedene Gr\u00fcnde, warum ein IT-Experte einen Computer aus einer Dom\u00e4ne entfernen m\u00f6chte, sei es aus Sicherheitsgr\u00fcnden, wegen \u00c4nderungen an der Infrastruktur oder wegen der Au\u00dferbetriebnahme von Hardware. Die manuelle Durchf\u00fchrung dieser Aufgabe ist nicht nur zeitaufw\u00e4ndig, sondern auch anf\u00e4llig f\u00fcr menschliche Fehler. Daher ist ein robustes PowerShell-Skript wie das obige von unsch\u00e4tzbarem Wert f\u00fcr IT-Experten und Managed Service Provider (MSPs<\/a>).<\/p>\n

Das Skript<\/h2>\n
#Requires -Version 2.0\r\n\r\n<#\r\n.SYNOPSIS\r\n    Removes the computer from the domain.\r\n.DESCRIPTION\r\n    Removes the computer from the domain.\r\n.EXAMPLE\r\n     -UserName \"MyDomainUser\" -Password \"Somepass1\" -LocalUserName \"Administrator\" -LocalPassword \"Somepass1\"\r\n    Removes the computer from the domain and restarts the computer.\r\n.EXAMPLE\r\n     -UserName \"MyDomainUser\" -Password \"Somepass1\" -LocalUserName \"Administrator\" -LocalPassword \"Somepass1\" -NoRestart\r\n    Removes the computer from the domain and does not restart the computer.\r\n.EXAMPLE\r\n    PS C:> Leave-Domain.ps1 -UserName \"MyDomainUser\" -Password \"Somepass1\" -LocalUserName \"Administrator\" -LocalPassword \"Somepass1\" -NoRestart\r\n    Removes the computer from the domain and does not restart the computer.\r\n.OUTPUTS\r\n    String[]\r\n.NOTES\r\n    Minimum OS Architecture Supported: Windows 7, Windows Server 2012\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.COMPONENT\r\n    ManageUsers\r\n#>\r\n\r\n[CmdletBinding()]\r\nparam (\r\n    # Use a Domain UserName to remove this computer to a domain, this requires the Password parameter to be used as well\r\n    [Parameter(Mandatory = $true)]\r\n    [String]\r\n    $UserName,\r\n    # Use a Domain Password to remove a computer from a domain\r\n    [Parameter(Mandatory = $true)]\r\n    $Password,\r\n    # Use a local admin's UserName to remove this computer from a domain, this requires the Password parameter to be used as well\r\n    [Parameter(Mandatory = $true)]\r\n    [String]\r\n    $LocalUserName,\r\n    # Use a local admin's Password to remove this computer from a domain\r\n    [Parameter(Mandatory = $true)]\r\n    $LocalPassword,\r\n    # Do not restart computer after leaving to a domain\r\n    [Switch]\r\n    $NoRestart\r\n)\r\n    \r\nbegin {\r\n    Write-Output \"Starting Leave Domain\"\r\n    \r\n    # Converts username and password into a credential object\r\n    $LeaveCred = [PSCredential]::new($UserName, $(ConvertTo-SecureString -String $Password -AsPlainText -Force))\r\n    \r\n    # Converts username and password into a credential object\r\n    $LocalCred = [PSCredential]::new($LocalUserName, $(ConvertTo-SecureString -String $LocalPassword -AsPlainText -Force))\r\n}\r\n    \r\nprocess {\r\n    Write-Output \"Removing computer($env:COMPUTERNAME) from domain\"\r\n    $script:LeaveResult = $false\r\n    try {\r\n        $LeaveResult = if ($NoRestart) {\r\n            (Remove-Computer -UnjoinDomainCredential $LeaveCred -PassThru -Force -LocalCredential $LocalCred -Confirm:$false).HasSucceeded\r\n            # Do not restart after leaving\r\n        }\r\n        else {\r\n            # Restart after leaving\r\n            (Remove-Computer -UnjoinDomainCredential $LeaveCred -PassThru -Force -Restart -LocalCredential $LocalCred -Confirm:$false).HasSucceeded\r\n        }    \r\n    }\r\n    catch {\r\n        Write-Error \"Failed to Leave Domain\"\r\n    }\r\n    if ($LeaveResult) {\r\n        if ($NoRestart) {\r\n            Write-Output \"Removed computer($env:COMPUTERNAME) from domain and not restarting computer\"\r\n        }\r\n        else {\r\n            Write-Output \"Removed computer($env:COMPUTERNAME) from domain and restarting computer\"\r\n        }\r\n    }\r\n    else {\r\n        Write-Output \"Failed to remove computer($env:COMPUTERNAME) from domain\"\r\n        # Clean up credentials so that they don't leak outside this script\r\n        $LeaveCred = $null\r\n        $LocalCred = $null\r\n        exit 1\r\n    }\r\n}\r\n    \r\nend {\r\n    # Clean up credentials so that they don't leak outside this script\r\n    $LeaveCred = $null\r\n    $LocalCred = $null\r\n    Write-Output \"Completed Leave Domain\"\r\n}\r\n<\/pre>\n
 <\/p>\n\n
Zugriff auf \u00fcber 300 Skripte im NinjaOne Dojo<\/p>\n
Zugang erhalten<\/a><\/p>\n<\/div>\n
Detaillierte Aufschl\u00fcsselung<\/h2>\n
Das Skript folgt einem modularen Ansatz und umfasst drei Hauptabschnitte – Anfang<\/strong>, Verlauf<\/strong> und Ende<\/strong>.<\/p>\n