How to Manage Admin Users Using CLI in Magento 2
Magento 2 CLI has many commands to manage it.
If you have issues with your admin user, you can manage them via CLI (Command Line Interface).
Create New Administrator User
To manage admin users in Magento 2, you can use following command:
php bin/magento admin:user:create --admin-user="adminuser" --admin-password="adminuser@321" --admin-email="firstname.lastname@example.org" --admin-firstname="Admin" --admin-lastname="User"
NOTE : make sure to change parameter values
Unlock an administrator account
You can use following commands to unlock an administrator account that was locked:
php bin/magento admin:user:unlock adminuser
Here, adminuser is the username for an admininstrator account.