Forum administrators now have the ability to move a message (and all its comments) from one forum to another.

This feature is most helpful when a message thread starts on a forum which really is better served on another forum.

A friendly email is automatically sent to the message author letting them know that the forum message was moved.

Note that there already exists a feature where a forum administrator can "upgrade" any comment into a full message, when a comment is deemed substantive enough to merit its own conversation.