Error 691 is an authentication error that occurs when either the username or password entered was incorrect.


Things you can try when receiving this error:

  • Retype the username and password
  • Ensure that the username is following the proper format (
  • Make sure your Caps Lock is off when typing the password as it is case sensitive
  • Delete and recreate the connection on the computer

Note: Some dial-up users will need to use the formatting idm/nexicomflat/ for their username.

If the above suggestions don’t work for you or you cannot remember what your username and/or password might be, please give our Internet Helpdesk a call at 1-888-639-4266.