Network Deployment (Distributed operating systems), v8.0 > Administer applications and their environment > Administer Messaging resources > Manage messaging with the default messaging provider > Configure resources for the default messaging provider > Configure JMS activation specification properties for durable subscriptions

Configure shared durable subscriptions for an activation specification

Use this task to configure the Share durable subscriptions option; an attribute of the JMS activation specifications that message-driven beans use with the default messaging provider. The Share durable subscriptions option controls whether durable subscriptions are shared between subscribers in a cluster.

To set this option, use the admin console to complete the following steps.

Procedure

1. In the navigation pane, click Resources -> JMS -> JMS providers .

2. Select the default provider for which to configure activation specification properties.

3. Optional: Change the Scope check box to set the level at which the connection factory is visible, according to your needs.

4. In the content pane, under Additional Properties, click Activation specifications.

5. Click the name of the activation specification you want to configure. The properties for the activation specification are displayed in the content pane.
6. Under General Properties, in the Advanced section, set the Share durable subscriptions property. Select one of the following options from the list:
   In cluster
   Clients that are connected to the bus in a cluster member can use the same client identifier and durable subscription name, and can retrieve messages from the durable subscription.
   Always shared
   All clients, regardless of where they are connected to the bus, can use the same client identifier and durable subscription name, and can retrieve messages from the durable subscription.
   Never shared
   Clients cannot use the same client identifier and durable subscription name as an existing session.

   See the admin console help for information about the other fields on this page.

7. Click OK.

8. Save your changes to the master configuration.

Workload sharing with publish/subscribe messaging
Configure high availability and workload sharing of service integration
Administer durable subscriptions

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