Through ldap unable to read members of the domain admin group from windows server 2012 vbscript

Option Explicit 
 
 
 
'Get all member of a group INCLUDING members from ALL NESTED groups. 
'Simply call the script with the samAccountName of the group. 
'If the group name contains spaces it should be ENCLOSED IN QUOTES,  
'IE scriptName.vbs "DOMAIN ADMINS" 
 
Dim objGroup 
 
 
'VERIFY A GROUP NAME WAS PASSED 
If wscript.arguments.count <> 1 Then 
  wscript.echo "NO GROUP PASSED" 
  wscript.echo "Usage:  scriptName <groupSamAccountName>" 
  wscript.quit 
End If 
 
 
'BIND TO THE GORUP   
Set objGroup = getGroup(wscript.Arguments(0)) 
 
 
'ENUMERATE THE GROUPS MEMBERS 
enumMembers objGroup, "" 
 
     
 
Function getGroup(strGroupName) 
  Dim objConn, objRecSet, strQueryString, objRootDSE, strQueryFrom 
  Const adsOpenStatic = 3 
 
 
   Set objRootDSE = GetObject("LDAP://RootDSE") 
   strQueryFrom = "LDAP://" & objRootDSE.get("defaultNamingContext") 
 
   Set objConn = wscript.CreateObject("ADODB.Connection") 
   objConn.Provider = "ADsDSOObject" 
   objConn.Open 
 
   strQueryString = "SELECT AdsPath FROM '" & strQueryFrom & "' " & _  
            "WHERE samAccountName = '" & strGroupName & "'" 
 
   Set objRecSet = wscript.CreateObject("ADODB.Recordset") 
 
   objRecSet.Open strQueryString, objConn, adsOpenStatic 
 
    If objRecSet.recordCount = 1 Then 
      Set getGroup = GetObject(objRecSet("AdsPath")) 
    Else 
      wscript.echo ucase(strGroupName) & " was not found in the domain. _ 
          (" & objRootDSE.get("defaultNamingContext") & ")" 
      wscript.quit 
    End If 
End Function 
 
 
Sub enumMembers(byRef objGroup, strInheritedFrom) 
 Dim objMember 
 
   For Each objMember In objGroup.Members 
     If lcase(objMember.class) = "group" Then 
     enumMembers objMember, objMember.samAccountName 
   Else 
     If objMember.displayname <> "" Then 
       If strInheritedFrom = "" Then 
         wscript.echo objMember.displayname 
       Else 
         wscript.echo objMember.displayname & " (From NESTED GROUP:  " & _ 
             strInheritedFrom & ")" 
      End If 
    Else 
       If strInheritedFrom = "" Then  
        wscript.echo objMember.samAccountName 
     Else 
       wscript.echo objMember.samAccountName & " (From NESTED GROUP:  " & _ 
           strInheritedFrom & ")" 
     End If 
   End If 
 End If 
 
 Next 
End Sub