Get-EmptyGroup

Groups: Gets Active Directory groups without members

Script

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"
)

try {
	Import-Module ActiveDirectory -ErrorAction Stop

	[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

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

	if ($null -ne $emptyGroups) {
		Write-Output $emptyGroups
	} else {
		Write-Output "No empty groups found in OU '$OUPath'."
	}
} catch {
	Write-Error $_
	exit 1
}

Customize

OUPath string

Specifies the Active Directory path (OU).

DomainAccount PSCredential

Active Directory Credential for remote execution on jumphost without CredSSP.

DomainName string

Name of the Active Directory Domain.

SearchScope string

Specifies the scope of the search (Base, OneLevel, SubTree).

AuthType string

Specifies the authentication method to use (Basic or Negotiate).