We recommend trying the following:
If you receive an ‘Error checking authentication’ message this may be caused by one of the following, you have strange characters in your password e.g. % or your password may be longer than 10 characters. To fix this you need to change your password and try again.
If you still receive an error message please contact IT HelpDesk as soon as possible on (07) 4781 5500 or email@example.com ensuring you provide as much detail as possible about the error you are encountering.