I have a WCF Web Service sitting on a client\'s IIS server secured with NTLM authentication - I have no control over the authentication configuration on that server.
I
Ok, i found your answer. As you know, WSO2 ESB uses Axis2 for web services. You must add NTLM configuration in Axis2 config file (ESB_HOME/repository/conf/axis2/axis2.xml).
This links, describes the configuration.
http://wso2.com/library/161/
http://axis.apache.org/axis2/java/core/docs/http-transport.html