Yes, you simply need to shrink the transaction log. Check with google, and you will find plenty of resources that tell you how to do this. Also, you can set up a scheduled DTS job that will shrink it on a regular basis.
These are the paths to get to each CCX logs through CLI. They may be helpful if you are having issues accessing RTMT or downloading logs through it.
If you want to download them you have to prefix "file get " and you can add one of the options (re...