Technical Tip: Changing/Resetting admin credentials of a managed FortiGate without FortiGate access

Description

This article describes how to change/reset a managed FortiGate’s admin credentials without FortiGate access in cases where the password has been lost or forgotten.

Scope

FortiManager.

Solution

1. Log in to FortiManager, which manages the FortiGate.
2. Navigate to Device Manager -> Device & Groups -> Affected FortiGate -> System -> Administrators.

3. Edit the 'admin'.

    

   

    

    

4. Change the Password and Confirm Password.

5. Select OK.

    

6. Then, navigate to Device Manager -> Device & Groups -> Managed FortiGates.

    

   

    

    

7. The status changed to 'modified' since the changes were made in FortiManager.

    

8. Choose the affected FortiGate and select Install -> Install Wizard.

    

9. Make sure Install Device Settings (only) is selected.

    

10. Select Next.

     

    

     

     

11. Confirm the FortiGate, then select Next.

     

    

     

     

12. Select 'Install Preview' and then verify the changes (optional).

     

    

     

     

13. Select Close.

     

    

     

     

14. Then, select Install.

     

15. The password of FortiGate's admin has been successfully changed.