- On the Ambari Server, obtain the JCE policy file appropriate for the JDK version in your cluster. 
- Save the policy file archive in a temporary location. 
- On Ambari Server and on each host in the cluster, add the unlimited security policy JCE jars to - $JAVA_HOME/jre/lib/security/.- For example, run the following to extract the policy jars into the JDK installed on your host: - unzip -o -j -q jce_policy-8.zip -d /usr/jdk64/jdk1.8.0_40/jre/lib/security/ 
- Restart Ambari Server. 
- Proceed to Running the Security Wizard. 


