Change the symmetric key encryption algorithm that the BlackBerry Enterprise Solution uses

  1. In the BlackBerry Administration Service, on the Servers and components menu, expand BlackBerry Solution topology > BlackBerry Domain > Component view > BlackBerry Enterprise Server.
  2. Click the instance that you want to change.
  3. Click Edit instance.
  4. In the Security information section, in the Encryption algorithm drop-down list, click the encryption algorithm that you want the BlackBerry Enterprise Solution to use.
  5. Click Save All.
After you finish: Re-activate all of the BlackBerry devices that are located in the BlackBerry Domain so that users can send and receive email messages on their BlackBerry devices.