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# Server --> Control --> JMS Migration Config.

Tasks Related Topics

## Overview

This page allows you to limit the choices of the servers in a cluster to use as a backup for the server currently hosting the JMS server. For example, only certain servers in your cluster may have access to the persistent store for a JMS server. When you select candidate servers on this page, you limit the list of destination servers available on the Server—> Control —> JMS Migrate tab.

The Available box shows a list of candidate servers (servers in the cluster) that can be added to the list of Chosen migratable target servers. If you do not specify a list of Chosen servers, you can migrate the JMS server to any server in the cluster on the Server—> Control —> JMS Migrate tab. If you do specify a list of Chosen servers, you must include the current server in the list or you will not be able to migrate the JMS server back to the server, if necessary.

Note: For implementations that use persistent messaging, make sure that the persistent JMS store is configured such that all the candidate servers in the Chosen list share access to the persistent store.

## Tasks

JMS Server --> Target and Deploy

Server --> Control --> JMS Migrate

## Related Topics

Migrating a Pinned Service to a Target Server Instance

Migrating When the Currently Active Host is Unavailable

Configuring JMS Migratable Targets