If you cannot delete a video unit, you can temporarily deactivate
  the Archiver.
      To delete a video unit:
- 
            In the Config
                                    Tool
               Video task, select the Archiver.
         
 
- 
            At the bottom of the Video task, click  (
).
          
- 
            In the confirmation dialog box, click Continue.
            
The Archiver and all video units controlled by the role turn
               red.
          
- 
            Select the video unit, and at the bottom of the Video task,
               click Delete (
).
          
- 
            Select the Archiver, and at the bottom of the Video task,
               click  (
).