1. Install a new BES and point to the current SQL Database. Ask RIM or your Carrier for a temp SRP ID
2. Create a BlackBerry Admin mailbox on Exchange 2003
3. Do not delete the users from the BES Exchange 2000 but move them to the other BES. Start the BlackBerry Manager, right click an user and choose Move User. Now select the new BES Exchange 2003
4. Open a command prompt and run handheldcleanup.exe -u in a command prompt. Default location c:\Program Files\Research in Motion\BlackBerry Enterprise Server\Utility
If you do it like this, you will not have to wipe any handhelds and no users will have to be re-activated with a craddle or enterprise activation.
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