Copying a forum does not copy any normal
 

Copying a topic creates a new topic with the same properties as the original. Links to grade items or competency activities are not copied. You can choose to copy pinned threads along with the topic. Copying a topic does not copy any normal, unpinned threads inside the topic; however you can copy or move individual threads from inside the existing topic after you create the new topic. See Copying or moving cours ripple a discussion thread or post for more information.