Backup operation fails if JCE policy files are not installed

The IBM® Security Guardium® Key Lifecycle Manager backup operation fails with the error message.

Java Cryptography Extension (JCE) Unlimited Strength Jurisdiction Policy
 Files are required. For more information, see the "Backup and restore" 
section of the documentation on IBM Knowledge 
Center.

You must install Java™ Cryptography Extension (JCE) unlimited strength jurisdiction policy files if IBM Security Guardium Key Lifecycle Manager backup operation uses the AES 256-bit key for data encryption.