<p>Specifies whether this server uses JMS default connection
factories.</p>
<p>WebLogic Server provides the following JMS default connection
factories:</p>
<ul>
<li>
<code>weblogic.jms.ConnectionFactory</code>
</li>
<li>
<code>weblogic.jms.XAConnectionFactory</code>
An XA factory is required for JMS applications to use JTA user-transactions,
but is not required for transacted sessions.
All other preconfigured attributes for the default connection factories are set
to the same default values as a user-defined connection factory.
If the preconfigured settings of the default factories are appropriate
for your application, you do not need to configure any additional factories
for your application.
</li>
</ul>
<p>
<b>Note:</b> When using the default connection factories, you have no control
over targeting the WebLogic Server instances where the connection factory may
be deployed. However, you can disable the default connection factories on a
per-server basis. To deploy a connection factory on independent servers,
on specific servers within a cluster, or on an entire cluster, you need to
configure a connection factory and specify the appropriate server targets.</p>
(Interface=weblogic.management.configuration.ServerMBean Attribute=isJMSDefaultConnectionFactoriesEnabled)