4.2 SP05 fiori style launchpad open in designer option not working

Hi,

We are using the new BO 4.2 SP05 fiori style Launchpad and can now open, view and refresh a report.

Notice there is an option Open in Designer - when select this on a report nothing happens - would expect this to open classic BI as is suggested in the help

"Open in Designer

A new option allows you to go back to a classic Web Intelligence client to benefit from the full feature set, and edit the report you are currently viewing, add report elements, new filters, element links and much more."

Any ideas if we have to configure something specifically to get this to work?

an use BOE/BI and BOE/BIlaunchpad but above suggests fiori should connect to classic BI when select this?

Thanks