Cannot delete video units in Security Center - Security Center 5.9 - 5.13

If you cannot delete a video unit, you can temporarily deactivate the Archiver.

1. In the Config Tool Video task, select the Archiver role.
2. At the bottom of the Video task, click Maintenance > Deactivate role ().
3. In the confirmation dialog box, click Continue.
   The Archiver role and all video units controlled by the role turn red.
4. Select the video unit, and at the bottom of the Video task, click Delete ().
5. Select the Archiver role, and at the bottom of the Video task, click Maintenance > Activate role ().