Hi Praneesha, ActiveMQ is used instead of WSO2 MB. Please update [1].
[1] https://cwiki.apache.org/confluence/display/STRATOS/4.0.0+Prerequisites Regards, Mariangela *--* Mariangela Hills Senior Technical Writer *WSO2, Inc.*lean.enterprise.middleware. m: +94 773 500185 w: http://wso2.com <http://wso2.com/events/>
