You must follow the upgrade sequence.

Important: You must take a snapshot of the AppDefense Appliance virtual machine (VM) before the upgrade. For details, refer to Back Up AppDefense Appliance VM Before Upgrade.
Note:

First Download Appliance Upgrade Bundle. You must then upgrade in the following sequence:

  1. AppDefense Appliance
  2. AppDefense Host Module
  3. AppDefense Guest Module
Note: If you are unable to log in to AppDefense Appliance, appliance password may have expired. For details, refer to How to Reset Password For AppDefense Appliance Administrator.