Virtual Box Mikrotik router login after restore backup

RouterOS Virtualization
1

Hi, can you please help me how should log in to my Virtual Box Mikrotik router after restoring the backup from a real/physical mirkotik router.?
scenarios are below:

  1. a back up taken from real/physical mirkotik router.
  2. create a virtual machine on oracle Virtual box.
  3. install router OS.
  4. login VM router via winbox.
  5. Restore backup into VM router.
  6. now i can’t login via Winbox, please help me anyone.