Microsoft KB Archive/239870

= RasDial Returns an Invalid Error Code =

Article ID: 239870

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows NT Server 4.0, Terminal Server Edition
 * Microsoft Windows NT Server 4.0 Standard Edition
 * Microsoft Windows NT Workstation 4.0 Developer Edition

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This article was previously published under Q239870



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.



Windows NT Server or Workstation 4.0
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/ -or-


 * 152734how 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://support.microsoft.com/directory/overview.asp

Windows NT Server 4.0, Terminal Server Edition
To resolve this problem, obtain the latest service pack for Windows NT Server 4.0, Terminal Server Edition. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

152734 How to Obtain the Latest Windows NT 4.0 Service Pack



STATUS
Microsoft has confirmed that this is a problem in Windows NT 4.0 and Windows NT Server 4.0, Terminal Server Edition.

This problem was first corrected in Windows NT Server 4.0 Service Pack 6 and Windows NT Server 4.0, Terminal Server Edition 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: kbhotfixserver kbqfe kbbug kbfix kbqfe KB239870

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