Ensure that you have configured Node Manager and that you have
enabled automatic migration for at least one clustered server. For more
information, see Overview of Node Manager Configuration.
Also ensure that you have configured a data source that can be used
by each migratable server to restore session data after being restarted
on another machine. You must configure each migratable server in the
cluster with this data source. For more information on configuring a
data source, see Configure JDBC data
If you have not already done so, in the Change Center of the Administration Console, click Lock & Edit (see Use the Change Center).
Administration Console, expand Environment and
Click the name
of a cluster for which you want to configure migration.
In the Available field, select the machine you want to allow
migration to and click the right arrow. Repeat this step for each
Select the data source used for automatic migration.
To activate these changes, in the Change Center of the Administration Console, click Activate Changes. Not all changes take effect immediately—some require a restart (see Use the Change Center).