The Help Desk Received a Call After Hours from an Employee

The help desk received a call after hours from an employee who was attempting to log into the payroll server remotely. When the help desk returned the call the next morning, the employee was able to log into the server remotely without incident. However, the incident occurred again the next evening. Which of the following BEST describes the cause of the issue?

A) The password expired on the account and needed to be reset
B) The employee does not have the rights needed to access the database remotely
C) Time-of-day restrictions prevented the account from logging in
D) The employee's account was locked out and needed to be unlocked