- 638 - The request has timed out
- 647 - The account is disabled
- 648 - The password has expired
- 668 - The connection dropped
- 676 - The line is busy
- 678 - There is no answer
- 680 - There is no dial tone
- 691 - Access denied because username and/or password is invalid ...
- 715 - Too many errors occurred because of poor phone line quality
- 718 - PPP timeout
- 797 - The modem could not be found
For help with other error messages, please contact the Help Desk at 227-2468.
- There is an error on your computer. Please shut down and re-start the computer, then try again to connect.
- If that does not work, please contact the Help Desk at 227-2468.
- 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.
- If you continue having problems, please contact the Help Desk at 227-2468.
- 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.
- If you continue having problems, please contact the Help Desk at 227-2468.
See Troubleshooting Dropped Dial-Up Connections.
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.
See Troubleshooting Dial-Up Problems.
See Getting a Dial Tone for Dial-Up Connections.
- 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.
- If you continue having problems, please contact the Help Desk at 227-2468.
Contact your phone company.
- Try re-dialing the number.
- 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.
- If that does not work, your account have expired. Please contact the Help Desk at 227-1831.
- If your account is okay, the error may be caused by poor phone line quality. Please contact your phone company.
Shut down and restart your computer.
If that does not work, please contact the Help Desk at 227-2468.

