How do I close a discussion for comments in a course?
To manually stop students from posting replies to discussion posts, you can use the Close for Comments option.
- You can automatically set your post to close for comments on a specific date by creating discussion availability dates.
- For graded discussions, the Close for Comments option will not appear until after the discussion due date.
In Course Navigation, click the Discussions link.
Close from Discussions Page
To close a discussion from the index page, locate the discussion. Click the Options icon  and click the Close for Comments link .
Open for Comments
To open a discussion for comments, locate the Closed for Comments section. Locate the discussion and click the Options icon , then click the Open for Comments link .
Close from Individual Discussion
To close comments within an individual discussion, click the title of the discussion.