How to Reset the BIG IP F5 2000s LB and what about the previous installed licenses??

When you restore the BIG-IP configuration to factory default settings, the system performs the following tasks:

• Removes all BIG-IP local traffic configuration objects
• Removes all BIG-IP network configuration objects
• Removes all non-system maintenance user accounts
• Retains the management IP address
• Removes system maintenance user account passwords (root and admin)
• Retains the BIG-IP license file
• Retains files in the /shared partition
• Retains manually-modified bigdb database variables