The Daylight Savings Time updates need to be installed in three stages:
Stage 1: Update your version of Microsoft Windows
Stage 2: Update your version of Microsoft Outlook
Stage 3: Update the operating system on your BlackBerry
There is probably a more appropriate place to do this, but if you go to: MailStreet Exchange Hosting, Email Outsourcing using Microsoft Exchange 2003 Server,Outsource Corporate Email
At the top of their web site, they point *Mailstreet Customers* to the appropriate places to update all three. They may not mind a non-Mailstreet customer from taking advantage of their hospitality.