Get-ADEmptyGroups.ps1

#Requires -Version 5.0
#Requires -Modules ActiveDirectory

<#
    .SYNOPSIS
        Gets the Active Directory groups without members
    
    .DESCRIPTION  

    .NOTES
        This PowerShell script was developed and optimized for ScriptRunner. The use of the scripts requires ScriptRunner. 
        The customer or user is authorized to copy the script from the repository and use them in ScriptRunner. 
        The terms of use for ScriptRunner do not apply to this script. In particular, ScriptRunner Software GmbH assumes no liability for the function, 
        the use and the consequences of the use of this freely available script.
        PowerShell is a product of Microsoft Corporation. ScriptRunner is a product of ScriptRunner Software GmbH.
        © ScriptRunner Software GmbH

    .COMPONENT
        Requires Module ActiveDirectory

    .LINK
        https://github.com/scriptrunner/ActionPacks/tree/master/ActiveDirectory/Groups

    .Parameter OUPath
        Specifies the AD path
        [sr-de] Active Directory Pfad
        
    .Parameter DomainAccount
        Active Directory Credential for remote execution on jumphost without CredSSP
        [sr-de] Active Directory-Benutzerkonto für die Remote-Ausführung ohne CredSSP        

    .Parameter DomainName
        Name of Active Directory Domain
        [sr-de] Name der Active Directory Domäne
        
    .Parameter SearchScope
        Specifies the scope of an Active Directory search
        [sr-de] Gibt den Suchumfang einer Active Directory-Suche an
    
    .Parameter AuthType
        Specifies the authentication method to use
        [sr-de] Gibt die zu verwendende Authentifizierungsmethode an
#>

param(
    [Parameter(Mandatory = $true,ParameterSetName = "Local or Remote DC")]
    [Parameter(Mandatory = $true,ParameterSetName = "Remote Jumphost")]
    [string]$OUPath,   
    [Parameter(Mandatory = $true,ParameterSetName = "Remote Jumphost")]
    [PSCredential]$DomainAccount,
    [Parameter(ParameterSetName = "Local or Remote DC")]
    [Parameter(ParameterSetName = "Remote Jumphost")]
    [string]$DomainName,
    [Parameter(ParameterSetName = "Local or Remote DC")]
    [Parameter(ParameterSetName = "Remote Jumphost")]
    [ValidateSet('Base','OneLevel','SubTree')]
    [string]$SearchScope='SubTree',
    [Parameter(ParameterSetName = "Local or Remote DC")]
    [Parameter(ParameterSetName = "Remote Jumphost")]
    [ValidateSet('Basic', 'Negotiate')]
    [string]$AuthType="Negotiate" 
)

Import-Module ActiveDirectory

try{
    $Script:Res
    [hashtable]$cmdArgs = @{'ErrorAction' = 'Stop'
                            'AuthType' = $AuthType
                            }
    if($null -ne $DomainAccount){
        $cmdArgs.Add("Credential", $DomainAccount)
    }
    if([System.String]::IsNullOrWhiteSpace($DomainName)){
        $cmdArgs.Add("Current", 'LocalComputer')
    }
    else {
        $cmdArgs.Add("Identity", $DomainName)
    }
    $Domain = Get-ADDomain @cmdArgs

    $cmdArgs = @{'ErrorAction' = 'Stop'
                'Server' = $Domain.PDCEmulator
                'AuthType' = $AuthType
                'Filter' = '*'
                'SearchBase' = $OUPath 
                'SearchScope' = $SearchScope
                'Properties' = 'Members'
                }
    if($null -ne $DomainAccount){
        $cmdArgs.Add("Credential", $DomainAccount)
    }
    $Script:Res= Get-ADGroup @cmdArgs | Where-Object { $_.Members.Count -eq 0 } `
                | Select-Object DistinguishedName,SamAccountName  | Sort-Object -Property SAMAccountName

    if($null -ne $Script:Res){ 
        $resultMessage = @()
        foreach($itm in $Script:Res){
            $resultMessage += ($itm.DistinguishedName + ';' +$itm.SamAccountName)
        }
        if($SRXEnv) {
            $SRXEnv.ResultMessage = $resultMessage 
        }
        else{
            Write-Output $resultMessage 
        }
    }
    else {
        if($SRXEnv) {
            $SRXEnv.ResultMessage = 'No empty groups found' 
        }
        else{
            Write-Output 'No empty groups found'
        }
    }   
}
catch{
    throw
}
finally{
}