Powershell LDAP Request to get AD objects including Lync SIP Address and Home Server. Good if you can't use Import-Module ActiveDirectory

PS_LDAP_Request

$Request = New-Object System.DirectoryServices.Protocols.SearchRequest
$Request.DistinguishedName =  $RootContainer
$Request.Filter = $SearchFilter
$Request.Scope = "Subtree"

$Request.Attributes.Add("distinguishedName") | Out-Null
$Request.Attributes.Add("objectclass") | Out-Null
$Request.Attributes.Add("mail") | Out-Null
$Request.Attributes.Add("objectguid") | Out-Null
$Request.Attributes.Add("msrtcsip-primaryhomeserver") | Out-Null
$Request.Attributes.Add("msrtcsip-primaryuseraddress") | Out-Null

$Response = $LDAPConnection.SendRequest($Request)