Talwinder, please stop reviving discussions that are many years old. This same question has been asked and answered in many threads now.
For future reference: To temporarily restore access to the admin console of Openfire, you can configure Openfire to use a a One-Time Access Token. This process is described in https://discourse.igniterealtime.org/t/how-to-reset-admin-password-on-openfire-version-4-3-1/