board active

Hi, I made board to be inactive. The result that i want is the inactive message will show in front end. But when i opened my forum it show like this picture below : Could somebody help? Thank you

So I browsed around to see if this was accomplished, I seen some related threads for other things but not specifically for individual User Groups. This simple modification can be done multiple ways however, this was the way I learned. Here I will show you how to add other usergroups, besides the...