Adminstrators can reset another users password as follows:
Adim>>User>User Name>> Set the ex-User's email address to a curretnly accessible email account. Log out of your account. On the log in screen use the Forgot Your Password" feature. Enter the ex-User's username and click Submit. A new password will be sent to the email address you entered.

A User may unintentionally lock them self out of the system by entering an incorrect password more than four times. An administrator may reinstate a User’s access privileges by unchecking the box at Admin>>Users>>LockedOut
If the user is still not able to access the system they should request the system to generate a new password by submitting the Password Request form on the Login page.