Modify OBIEE 11g Login page banner of an instance for the lang English.

copy $ORACLE_HOME/bifoundation/web/msgdb/l_en/messages/productmessages.xml to $INSTANCE_HOME/bifoundation/OracleBIPresentationServicesComponent/coreapplication_obips1/msgdb/l_en/customMessages

if the below mentioned directory doesn't exists please create it.

msgdb/l_en/customMessages

edit productmessages.xml

-- To edit Login banner
change xml tag <WebMessage name="kmsgHeaderBIBrandName"><TEXT>Business Intelligence PROD </TEXT></WebMessage>


-- TO edit Dashboard banner.

<WebMessage name="kmsgProductPortal"><TEXT>Oracle BI Interactive Dashboards PROD</TEXT></WebMessage>

Restart OPMN services.