Test version of the update for Daylight Saving Time changes in 2007 for Exchange 2003 (KB 926666)
I posted before about this time zone update relaed to the new US DST changes.
Microsoft PSS was most probably swamped with calls for obtaining the beta patch which is why you can now download it yourself here:
http://www.microsoft.com/downloads/details.aspx?Fa...ang=en
Also read more about it here:
http://support.microsoft.com/?kbid=926666