Company facility wants to know the usage of conference rooms and asked IT generate report from Exchange. I searched on web and found this . But I couldn't make this script work. Can anyone can share how to generate a usage report for room mailboxes?  

http://stackoverflow.com/questions/10921563/extract-the-report-of-room-calendar-from-exchage-server-using-powershell-scripti

Hi,

Per my knowledge, there would be no deirect method to achieve this, it need to do some development,

I would suggest that you could post it in the develoment forum:
http://social.technet.microsoft.com/Forums/en-US/exchangesvrdevelopment/threads

You will get more help from there.

Best Re