WAS v8.5 > Administer applications and their environment > Administer web services - Notification (WS-Notification) > Use WS-Notification for publish and subscribe messaging for web services > Accomplishing common WS-Notification tasks

Migrating a v6.1 WS-Notification configuration from WAS v6.1 to v7.0 or later

We can migrate an existing v6.1 WS-Notification configuration to run in a WebSphere Application Server v7.0 or later environment.

This topic assumes that we have the following configuration:

• An existing server or cluster installation of WAS v6.1 that is ready for migration, including at least one WS-Notification service, service point, and underlying service integration bus.
• Existing subscriptions with associated messages pending notification.
• Existing operational WS-Notification client and web service applications that are known to transmit and receive notifications through the existing v6.1 WS-Notification service.

When you migrate the system from WAS v6.1 to v7.0 or later, any existing WS-Notification configuration (for example WS-Notification services, service points, administered subscribers), and the associated service integration bus resources (for example inbound services and endpoint listeners) are automatically migrated to valid configuration elements within the new installation. The services and service points are migrated to v6.1 WS-Notification services and service points, the endpoint URLs for the service points are unchanged, and the functions supported are exactly the same as in WAS v6.1. For example, reliable notification is not possible with v6.1 WS-Notification services and service points.

Any messages pending notification are delivered following the update and server startup sequence.

1. Migrate the product configuration from WAS v6.1 to v7.0 or later.
2. Check that notifications are being published and consumed correctly in your migrated system.

   Initiate the program, process, or application that includes the WS-Notification client (or clients), and that causes notifications to be requested and transmitted.

Results

The WS-Notification services and resources are migrated to v6.1 WS-Notification services and resources that run under WAS v7.0 or later. Any messages pending notification are delivered.

You are now ready (optionally) to prepare your migrated v6.1 WS-Notification configuration for reliable notification.

Related concepts:

WS-Notification

Related

Use WS-Notification for publish and subscribe messaging for web services
Secure WS-Notification

Reference:

WS-Notification troubleshooting tips

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