To enable the AD Recycle Bin:
- Open the Active Directory Administrative Center
- Click on your AD in the left pane.
- Click "Enable Recycle Bin" in the righthand pane.
- Wait for replication.
To use the AD Recycle Bin:
- Accidentally delete something
- Open the "Deleted Objects" container
- Highlight the item that you accidentally deleted and click "Restore" in the righthand pane.
- Pretend it never happened