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For help with other error messages, please contact the Help Desk at 227-2468.


638 - The request has timed out
  1. There is an error on your computer. Please shut down and re-start the computer, then try again to connect.
  2. If that does not work, please contact the Help Desk at 227-2468.

647 - The account is disabled
  1. Retype your user ID and password. Make sure that you type both your user ID and password in lower case, and that "Caps Lock" on your keyboard is not turned on.

    Note: Retyping your user ID and password may solve the immediate password problem. However, the problem could happen again if the wrong user ID or password is saved in your Dial-Up Networking settings.

    To make sure your user ID and password are correct in Dial-Up Networking, see Re-entering Your User ID and Password.

  2. If you continue having problems, please contact the Help Desk at 227-2468.

648 - The password has expired
  1. Retype your user ID and password. Make sure that you type both your user ID and password in lower case, and that "Caps Lock" on your keyboard is not turned on.

    Note: Retyping your user ID and password may solve the immediate password problem. However, the problem could happen again if the wrong user ID or password is saved in your Dial-Up Networking settings.

    To make sure your user ID and password are correct in Dial-Up Networking, see Re-entering Your User ID and Password.

  2. If you continue having problems, please contact the Help Desk at 227-2468.

668 - The connection dropped

See Troubleshooting Dropped Dial-Up Connections.


676 - The line is busy

If you hear a fast busy signal or a recorded message, your phone service provider may have temporarily run out of available connections supporting outlying areas.

If you hear a normal busy signal, NMU may have run out of available modem connections.

Please wait a few minutes, then try again.


678 - There is no answer

See Troubleshooting Dial-Up Problems.


680 - There is no dial tone

See Getting a Dial Tone for Dial-Up Connections.


691 - Access denied because username and/or password is invalid on the domain
  1. Retype your user ID and password. Make sure that you type both your user ID and password in lower case, and that "Caps Lock" on your keyboard is not turned on.

    Note: Retyping your user ID and password may solve the immediate password problem. However, the problem could happen again if the wrong user ID or password is saved in your Dial-Up Networking settings.

    To make sure your user ID and password are correct in Dial-Up Networking, see Re-entering Your User ID and Password.

  2. If you continue having problems, please contact the Help Desk at 227-2468.

715 - Too many errors occurred because of poor phone line quality

Contact your phone company.


718 - PPP timeout
  1. Try re-dialing the number.
  2. If that does not work, retype your user ID and password. Make sure that you type both your user ID and password in lower case, and that "Caps Lock" on your keyboard is not turned on.
  3. If that does not work, your account have expired. Please contact the Help Desk at 227-1831.
  4. If your account is okay, the error may be caused by poor phone line quality. Please contact your phone company.

797 - The modem could not be found

Shut down and restart your computer.

If that does not work, please contact the Help Desk at 227-2468.

Page Last Updated: March 26, 2008