/*
SamUpgradeTask.js
(c) 2007, Microsoft Corp.
*/
// Check the version of the operating system. Stop the script if the version is earlier than 6.
if ( ! CheckOSVersion() )
{
WScript.Echo("ERROR: This script will only work on Longhorn Server or above.");
WScript.Quit(1);
}
// Retrieve the local computer's rootDSE LDAP object.
var localRootDse = null;
try
{
localRootDse = GetObject("LDAP://localhost/rootDSE");
}
catch(e)
{
WScript.Echo("There was an error attempting to retrieve the localhost RootDSE object.");
WScript.Echo("Perhaps this machine is not a Domain Controller on the network?");
WScript.Echo("ErrorCode: " + e.number);
WScript.Quit(1);
}
// Retrieve several rootDSE properties
var dnsHostName = localRootDse.Get("dnsHostName");
var dsServiceName = localRootDse.Get("dsServiceName");
var defaultNamingContext = localRootDse.Get("defaultNamingContext");
// Open the default naming context
var ncObj = GetObject("LDAP://" + defaultNamingContext);
// Get the "FSMO Role Owner"
var strfsmoNtdsa = ncObj.FsmoRoleOwner;
var fsmoNtdsaObj = GetObject("LDAP://" + strfsmoNtdsa);
// Get the parent object of "FSMO Role Owner"
var fsmoServerObj = GetObject(fsmoNtdsaObj.Parent);
// By using the Server Reference, retrieve the name of the PDC computer
var strFsmoComputer = fsmoServerObj.ServerReference;
var fsmoComputerObj = GetObject("LDAP://" + strFsmoComputer);
var pdcName = fsmoComputerObj.Get("name");
// Get the RootDSE object for the PDC
var pdcRootDse = GetObject("LDAP://" + pdcName + "/rootDSE");
// Check whether the PDC is a legacy domain or not.
var domainControllerFunctionality = pdcRootDse.Get("domainControllerFunctionality");
if ( domainControllerFunctionality > 2 )
{
WScript.Echo("Domain is already operating in a mode higher than Windows Server 2003 mode. Stopping script execution.");
WScript.Quit(0);
}
// Get the default naming context for the PDC
var pdcDefaultNamingContext = pdcRootDse.Get("defaultNamingContext");
// Retrieve the well known object from the PDC
var pdcSystem = GetObject("LDAP://" + pdcName + "/");
// Get the distinguished name for the well known object
var pdcDistinguishedName = pdcSystem.Get("distinguishedName");
// Check whether the task has already been run
var taskMarker = null;
try
{
taskMarker = GetObject("LDAP://" + pdcName + "/");
}
catch(e)
{
if ( e.number == -2147016656 ) // Check and see if error code is ERROR_DS_NO_SUCH_OBJECT
{
taskMarker = null;
}
else
{
WScript.Echo("Error attempting to retrieve well known object from PDC.");
WScript.Echo("Name: " + e.name + "\nDescription: " + e.description + "\nCode: " + e.number + "\nMessage: " + e.message);
WScript.Quit(1);
}
}
// If the well known object exists, the SAM upgrade is already running. Therefore, stop the script.
if ( taskMarker != null )
{
WScript.Echo("SAM upgrade task already being run. No work done.");
WScript.Quit(1);
}
// Get the Server container with that distinguished name
var serverObj = GetObject("LDAP://" + pdcName + "/CN=Server," + pdcDistinguishedName);
// Prepare a safe array (for example, VBArray) with one entry
var jsArray = new Array(1);
jsArray[0] = "B:32:6ACDD74F3F314ae396F62BBE6B2DB961:"+ dsServiceName;
var vbArray = JS2VBArray(jsArray);
try
{
// Append an entry to the "Other-Well-Known-Objects" attribute for the
// previous server object.
serverObj.PutEx(3, "otherWellKnownObjects", vbArray);
serverObj.SetInfo();
}
catch(e)
{
WScript.Echo("Unexpected error attempting to put the well known GUID.");
WScript.Echo("ErrorCode: " + e.number);
}
WScript.Echo("Running upgrade task.");
// Set the "runSamUpgradeTasks" attribute in the local rootDSE
localRootDse.Put("runSamUpgradeTasks", 1);
localRootDse.SetInfo();
// Remote the binary data from the previous well known object entry
serverObj.PutEx(4, "otherWellKnownObjects", vbArray);
serverObj.SetInfo();
// The upgrade is complete.
WScript.Echo("Done!");
function CheckOSVersion()
{
var wbemFlagReturnImmediately = 0x10;
var wbemFlagForwardOnly = 0x20;
var objWMIService = GetObject("winmgmts:\\\\.\\root\\CIMV2");
var colItems = objWMIService.ExecQuery("SELECT * FROM Win32_OperatingSystem", "WQL",
wbemFlagReturnImmediately | wbemFlagForwardOnly);
var enumItems = new Enumerator(colItems);
for (; !enumItems.atEnd(); enumItems.moveNext()) {
var objItem = enumItems.item();
var fullVersion = objItem.Version;
var indexPoint = fullVersion.indexOf(".");
if ( indexPoint == -1 )
{
return false;
}
var majorVersion = fullVersion.substring(0, indexPoint);
return (majorVersion >= "6");
}
return false;
}
function JS2VBArray( objJSArray )
{
var dictionary = new ActiveXObject( "Scripting.Dictionary" );
for ( var i = 0; i < objJSArray.length; i++ )
{
dictionary.add( i, objJSArray[ i ] );
}
return dictionary.Items();
}
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