ALH

2.3.0

Public/Get-ALHADDSDomainController.ps1

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 <#PSScriptInfo
 
.VERSION 1.2.1
 
.GUID d94d4ef6-0227-4c9d-9dbd-4abd93464d29
 
.AUTHOR Dieter Koch
 
.COMPANYNAME
 
.COPYRIGHT (c) 2021-2023 Dieter Koch
 
.TAGS
 
.LICENSEURI https://github.com/admins-little-helper/ALH/blob/main/LICENSE
 
.PROJECTURI https://github.com/admins-little-helper/ALH
 
.ICONURI
 
.EXTERNALMODULEDEPENDENCIES
 
.REQUIREDSCRIPTS
 
.EXTERNALSCRIPTDEPENDENCIES
 
.RELEASENOTES
1.0.0
- Initial release
 
1.1.0
- Renamed function to Get-ALHDomainController because it does not query Active Directory itself
- Removed dependency for ActiveDirectory Module
 
1.2.0
- Cleaned up code
 
1.2.1
- Fixed issue #38. Using Get-CimInstance intead of Get-WmiObject to support PowerShell Core (v5.1+)
 
#>


<#
 
.DESCRIPTION
Contains function to get the currently used Domain Controller by the operating system.
 
#>


function Get-ALHADDSDomainController {
    <#
    .SYNOPSIS
    Returns information about AD Domain Controller.
 
    .DESCRIPTION
    Returns information about AD Domain Controller.
 
    .EXAMPLE
    Get-ALHADDSDomainController
 
    Get the current domain controller used by the operating system
 
    .EXAMPLE
    Get-ALHADDSDomainController -All
 
    Get the all domain controllers in the current domain
 
    .INPUTS
    Nothing
 
    .OUTPUTS
    System.DirectoryServices.ActiveDirectory.DirectoryServer
 
    .NOTES
    Author: Dieter Koch
    Email: diko@admins-little-helper.de
 
    .LINK
    https://github.com/admins-little-helper/ALH/blob/main/Help/Get-ALHADDSDomainController.txt
    #>

    [CmdletBinding()]
    param (
        [switch]
        $All
    )

    $Domain = (Get-CimInstance -ClassName "Win32_ComputerSystem").Domain

    if ($null -ne $Domain) {
        $context = New-Object System.DirectoryServices.ActiveDirectory.DirectoryContext("Domain", $Domain)

        if ($All.IsPresent) {
            $DC = [System.DirectoryServices.ActiveDirectory.DomainController]::FindAll($context)
        }
        else {
            $DC = [System.DirectoryServices.ActiveDirectory.DomainController]::FindOne($context)
        }
    }
    else {
        Write-Warning -Message "Computer is not connected to an AD Domain."
    }

    $DC
}


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