Administrator account Lockout Duration
If someone violates the lockout controls by entering an incorrect user name and/or password, account lockout duration sets the length of time the account is locked. the lockout duration can be set to a specific length of time using a value between 1 and 4294967295 seconds. The default value is 60 seconds.
When it’s required use the CLI to modify the lockout duration as follow:
config system global
set admin-lockout-duration <integer>
end