Code: Select all
Option Explicit
Dim objRootDSE, strConfig, objConnection, objCommand, strQuery
Dim objRecordSet, objDC
Dim strDNSDomain, objShell, lngBiasKey, lngBias, k, arrstrDCs()
Dim strDN, dtmDate, objDate, lngDate, objList, strUser
Dim strBase, strFilter, strAttributes, lngHigh, lngLow, objExplorer, html
Set objExplorer = WScript.CreateObject("InternetExplorer.Application")
objExplorer.Navigate "about:blank"
objExplorer.ToolBar = 0
objExplorer.StatusBar = 0
objExplorer.Width = 1300
objExplorer.Height = 600
objExplorer.Left = 50
objExplorer.Top = 50
Do While (objExplorer.Busy)
Wscript.Sleep 300
Loop
objExplorer.Visible = 1
objExplorer.Document.Body.InnerHTML = "Determining last logon. Please wait.."
Wscript.Sleep 1000
' Use a dictionary object to track latest lastLogon for each user.
Set objList = CreateObject("Scripting.Dictionary")
objList.CompareMode = vbTextCompare
' Obtain local Time Zone bias from machine registry.
Set objShell = CreateObject("Wscript.Shell")
lngBiasKey = objShell.RegRead("HKLM\System\CurrentControlSet\Control\" _
& "TimeZoneInformation\ActiveTimeBias")
If UCase(TypeName(lngBiasKey)) = "LONG" Then
lngBias = lngBiasKey
ElseIf UCase(TypeName(lngBiasKey)) = "VARIANT()" Then
lngBias = 0
For k = 0 To UBound(lngBiasKey)
lngBias = lngBias + (lngBiasKey(k) * 256^k)
Next
End If
' Determine configuration context and DNS domain from RootDSE object.
Set objRootDSE = GetObject("LDAP://RootDSE")
strConfig = objRootDSE.Get("configurationNamingContext")
strDNSDomain = objRootDSE.Get("defaultNamingContext")
' Use ADO to search Active Directory for ObjectClass nTDSDSA.
' This will identify all Domain Controllers.
Set objCommand = CreateObject("ADODB.Command")
Set objConnection = CreateObject("ADODB.Connection")
objConnection.Provider = "ADsDSOObject"
objConnection.Open "Active Directory Provider"
objCommand.ActiveConnection = objConnection
strBase = "<LDAP://" & strConfig & ">"
strFilter = "(objectClass=nTDSDSA)"
strAttributes = "AdsPath"
strQuery = strBase & ";" & strFilter & ";" & strAttributes & ";subtree"
objCommand.CommandText = strQuery
objCommand.Properties("Page Size") = 100
objCommand.Properties("Timeout") = 60
objCommand.Properties("Cache Results") = False
Set objRecordSet = objCommand.Execute
' Enumerate parent objects of class nTDSDSA. Save Domain Controller
' AdsPaths in dynamic array arrstrDCs.
k = 0
Do Until objRecordSet.EOF
Set objDC = _
GetObject(GetObject(objRecordSet.Fields("AdsPath")).Parent)
ReDim Preserve arrstrDCs(k)
arrstrDCs(k) = objDC.DNSHostName
k = k + 1
objRecordSet.MoveNext
Loop
' Retrieve lastLogon attribute for each user on each Domain Controller.
For k = 0 To Ubound(arrstrDCs)
strBase = "<LDAP://" & arrstrDCs(k) & "/" & strDNSDomain & ">"
strFilter = "(&(objectCategory=person)(objectClass=user))"
strAttributes = "distinguishedName,lastLogon"
strQuery = strBase & ";" & strFilter & ";" & strAttributes _
& ";subtree"
objCommand.CommandText = strQuery
On Error Resume Next
Set objRecordSet = objCommand.Execute
If Err.Number <> 0 Then
On Error GoTo 0
Wscript.Echo "Domain Controller not available: " & arrstrDCs(k)
Else
On Error GoTo 0
Do Until objRecordSet.EOF
strDN = objRecordSet.Fields("distinguishedName")
lngDate = objRecordSet.Fields("lastLogon")
On Error Resume Next
Set objDate = lngDate
If Err.Number <> 0 Then
On Error GoTo 0
dtmDate = #1/1/1601#
Else
On Error GoTo 0
lngHigh = objDate.HighPart
lngLow = objDate.LowPart
If lngLow < 0 Then
lngHigh = lngHigh + 1
End If
If (lngHigh = 0) And (lngLow = 0 ) Then
dtmDate = #1/1/1601#
Else
dtmDate = #1/1/1601# + (((lngHigh * (2 ^ 32)) _
+ lngLow)/600000000 - lngBias)/1440
End If
End If
If objList.Exists(strDN) Then
If dtmDate > objList(strDN) Then
objList(strDN) = dtmDate
End If
Else
objList.Add strDN, dtmDate
End If
objRecordSet.MoveNext
Loop
End If
Next
' Output latest lastLogon date for each user.
html = html & "<table border='2'>"
For Each strUser In objList
html = html & "<tr><td>" & strUser & "</td><td>" & objList(strUser) & "</td></tr>"
Next
html = html & "</tr></table>"
objExplorer.Document.Body.InnerHTML = html
' Clean up.
objConnection.Close
Set objRootDSE = Nothing
Set objConnection = Nothing
Set objCommand = Nothing
Set objRecordSet = Nothing
Set objDC = Nothing
Set objDate = Nothing
Set objList = Nothing
Set objShell = Nothing