Useful little script to output all disabled users in an Active Directory domain or OU. Simply open Notepad, copy and paste the following, and then save as a *.vbs file. Remember to replace the domain and OU name as needed.

On Error Resume Next

Set objFSO = CreateObject("Scripting.FileSystemObject")
Set objFile = objFSO.CreateTextFile("output1.txt", True)

Set objConnection = CreateObject("ADODB.Connection")
Set objCommand = CreateObject("ADODB.Command")
objConnection.Provider = "ADsDSOObject"

objConnection.Open "Active Directory Provider"
Set objCommand.ActiveConnection = objConnection

objCommand.Properties("Page Size") = 1000

objCommand.CommandText = _
";(&(objectCategory=User)" & _
"(userAccountControl:1.2.840.113556.1.4.803:=2));Name;Subtree" 
Set objRecordSet = objCommand.Execute

objRecordSet.MoveFirst
Do Until objRecordSet.EOF
objFile.WriteLine objRecordSet.Fields("Name").Value
objRecordSet.MoveNext
Loop