NTLMv2 Support in 4.5 Beta

I use soapUI in conjunction with BurpSuite in order to pass credentials to our IIS 7 servers. I noticed that the 4.5 Beta release includes NTLMv2 support so I downloaded it to try it out. I fired up the beta but it doesn't seem to be sending my credentials. Do I need to do something to enable NTLMv2 support or is it just not working yet?

*Moved to beta forum // Henrik, SmartBear *