http://msmvps.com/blogs/richardsiddaway/archive/2009/06/28/ad-powershell-on-windows-2008-2003-supposedly.aspxAs James pointed out recently the AD Web Service from Windows 2008 R2 has been released for Windows 2008 and Windows 2003 -  see http://blogs.msdn.com/adpowershell/archive/2009/06/23/use-active-directory-powershell-to-manage-windows-2003-2008-dcsenCommunityServer 2008.5 SP2 (Build: 40407.4157)