Private/Permissions/OnPrem/ActiveDirectory/Get-ADGroupsWithProxyAddress.ps1
Function Get-ADGroupsWithProxyAddress { <# .SYNOPSIS .EXAMPLE #> param ( [Parameter()] [hashtable] $DomainNameHash ) Try { import-module activedirectory -ErrorAction Stop -Verbose:$false } Catch { Write-Host "This module depends on the ActiveDirectory module." Write-Host "Please download and install from https://www.microsoft.com/en-us/download/details.aspx?id=45520" throw } # Find writable Global Catalog $context = New-Object System.DirectoryServices.ActiveDirectory.DirectoryContext('Forest') $dc = ([System.DirectoryServices.ActiveDirectory.GlobalCatalog]::FindOne($context, [System.DirectoryServices.ActiveDirectory.LocatorOptions]'ForceRediscovery, WriteableRequired')).name Get-ADGroup -filter 'proxyaddresses -ne "$null"' -server ($dc + ":3268") -SearchBase (Get-ADRootDSE).rootdomainnamingcontext -SearchScope Subtree -Properties mail } |