To enable SFSB checkpointing at the SFSB level, set availability-enabled="true" in the ejb element of the SFSB’s sun-ejb-jar.xml file as follows:
<sun-ejb-jar> ... <enterprise-beans> ... <ejb availability-enabled="true"> <ejb-name>MySFSB</ejb-name> </ejb> ... </enterprise-beans> </sun-ejb-jar>