Nice to hear it works fine now ;)About your Exchange configuration; I guess you should use en_US instead of en_GB...About your video session... have you tried it and did it work integraded to MPE? Mine is coming up as VT advantage session in case of ...

Hi,I think you didn't configure the user to allow setup a video meeting.You have to edit the user profile and configure the user can also setup a video meeting. Default is attend only.