Human readable distribution lists in Exchange

Sometimes your clients need to get an overview of who’s getting all the mails for the various distribution groups they’ve had you create. Sometimes they forget who’s been added or removed. I use this script to give them an up-to-date view of where the mail is going.

Exchange 2007 logoBasically, we query Active Directory for groups that have an email address. After iterating for members, we do a look up to get the common name so that the user can be displayed properly. The output is a distribution group member listing, along with the email address and aliases of the groups themselves:

Option Explicit
'Declare our variables
Dim adoLDAPCon, adoLDAPRS, strLDAP, strDomainName, objNetwork
Dim strDN, objUser, colAddr, strAddr, objMember
' Grab the domain name
Set objNetwork = CreateObject("Wscript.Network")
strDomainName = objNetwork.UserDomain
' Create an ADO DB connection through ADSI to get a list of users and public folders
Set adoLDAPCon = CreateObject("ADODB.Connection")
adoLDAPCon.Provider = "ADsDSOObject"
adoLDAPCon.Open "ADSI"
strLDAP = "'LDAP://" & strDomainName & "'"
WScript.Echo "Getting mail addresses from " & strLDAP
Set adoLDAPRS = adoLDAPCon.Execute("select ADsPath from " & strLDAP & _
  " WHERE objectClass = 'group'")
  While Not adoLDAPRS.EOF
    strDN = adoLDAPRS.Fields("ADsPath").value
    Set objUser = GetObject(strDN)
    ' Only try to display if the object has "proxyAddresses" set
    If Not IsEmpty(objUser.proxyAddresses) Then
      colAddr = objUser.GetEx("proxyAddresses")
      For Each strAddr in colAddr
         strAddr = LCase(strAddr)
         If Left(strAddr, 5) = "smtp:" And Right(strAddr, 6) <> ".local" Then _
           Wscript.Echo & ": " & Mid(strAddr, 6)
    End If
    If Not IsEmpty(objUser.member) Then
      colAddr = objUser.GetEx("member")
      For Each strAddr in colAddr
         strAddr = mid(strAddr, 4, InStr(strAddr, ",") - 4)
         Wscript.Echo "    " & strAddr
    End If
    Set objUser = Nothing
Set adoLDAPRS = Nothing
Set adoLDAPCon = Nothing

Usually, I just run it like this:

C:\> cscript //nologo ShowGroup.vbs

Thanks, and let me know if you find this helpful.