Parallel mode execution not working

Parallel mode execution does not seem to work on the version 6.2.1.
After enabling Parallel mode,i do not see multiple browsers launched nor any change in the execution time.
I have two test suites within a collection and set the execution mode to Parallel.

Any help on this is highly appreciated

is your project type “Web” ?
See Test suite collection not showing all run with options

Yes, The project is of type Web and type is set too.


You have to call your Test Suites again an choose to run with an other browser.