Create JMS Activation Specification Create a new Activation specification for the second cluster scope. In the Integrated Solutions Console, navigate to Resources > JMS > Activation Specification. Select the second cluster from the Scope drop-down list. Click New. Select Default messaging provider. Click OK. Fill in the following fields: Name: Enter: IOSCacheRefreshActivationSpec JNDI name: Enter: jms/IOSCacheRefreshActivationSpec Note: Do not modify this name. Destination type: Enter: Topic Destination JNDI name: Enter: jms/IOSCacheRefreshTopic Note: This is the Topic name you defined in Create JMS Topic. Bus name Use the name for the new bus you created. For example: cluster2_bus. Note: Do not change or update any other fields. Click OK. Save the changes to the configuration.