Blackberry PROFESSIONAL SOFTWARE FOR MICROSOFT EXCHANGE Administration Manual page 80

Administration Guide
4. In the Security section, click Encryption Algorithm.
5. In the drop-down list, click the encryption type that you want to use.
6. Click OK.
After you finish: If you change the encryption type, you must reactivate the BlackBerry devices in the BlackBerry Domain
under one of the following conditions:
• The BlackBerry® Professional Software was configured to use Triple DES only, and you change the encryption type to
AES only. To make this change, you must first change to Triple DES or AES, then change to AES only.
• The BlackBerry Professional Software was configured to use AES only, and you change the encryption type to Triple
DES only.
• The BlackBerry Professional Software was configured to use Triple DES or AES, and you change the encryption type to
Triple DES only.
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Protecting BlackBerry device data in transit