RasDial Returns an Invalid Error Code

ID: Q239870

The information in this article applies to:

Microsoft Windows NT Server version 4.0
Microsoft Windows NT Workstation version 4.0

SYMPTOMS

When you are dialing with RasDial, you may receive error code 676 ("The line is busy") instead of code 680 ("There is no dial tone") if your telephone cable is unplugged or you are using a bad phone line.

RESOLUTION

To resolve this problem, obtain the latest service pack for Windows NT 4.0 or the individual software update. For information on obtaining the latest service pack, please go to:

http://www.microsoft.com/windows/servicepacks/

Q152734 How to Obtain the Latest Windows NT 4.0 Service Pack

For information on obtaining the individual software update, contact Microsoft Product Support Services. For a complete list of Microsoft Product Support Services phone numbers and information on support costs, please go to the following address on the World Wide Web:

http://www.microsoft.com/support/supportnet/overview/overview.asp

STATUS

Microsoft has confirmed this to be a problem in Windows NT 4.0. This problem was first corrected in Windows NT 4.0 Service Pack 6.

MORE INFORMATION

The error status returned to the callback routine in code that calls RasDial is inaccurate. Despite the true cause of the issue, RAS returns error code 676 ("The line is busy") for line-related issues. Specifically, the following conditions result in error code 676:

Phone line not plugged into the modem

No answer

No carrier (voice, fax, and so on)

The proper RAS error codes for these conditions are 680, 678, 679, 677, and so on.

Additional query words: rasdial.exe

Keywords : kbbug4.00 kbfix4.00 NT4SP6Fix
Version : winnt:4.0
Platform : winnt
Issue type : kbbug