A Direct RAS Connection on a Serial Cable Always Uses One Stop Bit (312284)


The information in this article applies to:

  • Microsoft Windows NT Server 4.0
  • Microsoft Windows NT Workstation 4.0
  • Microsoft Windows NT Server, Enterprise Edition 4.0
This article was previously published under Q312284

SYMPTOMS

A direct Remote Access Service (RAS) connection over a null-modem serial cable may not connect if one of the devices is not running Windows NT 4.0, and if the connection is not set to use one stop bit.

CAUSE

RAS Manager is designed to use one stop bit for direct cable connections, no matter what settings you configure.

RESOLUTION

A supported fix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Apply it only to computers that are experiencing this specific problem.

To resolve this problem, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMS

NOTE: In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

The English version of this fix should have the following file attributes or later: 
   Date         Time   Version        Size     File name     Platform
   ------------------------------------------------------------------
   24-Sep-1999  03:54  4.0.1381.7001  198,416  Rasapi32.dll  Alpha
   24-Sep-1999  03:54  4.0.1381.7001   71,440  Rastapi.dll   Alpha
   24-Sep-1999  03:55  4.0.1381.7001  127,760  Rasapi32.dll  i386
   24-Sep-1999  03:55  4.0.1381.7001   35,600  Rastapi.dll   i386
NOTE: Because of file dependencies, this hotfix requires Microsoft Windows NT 4.0 Service Pack 6a.

WORKAROUND

To work around this problem, configure both computers on the direct RAS connection to use one stop bit.

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.
Modification Type:MinorLast Reviewed:9/26/2005
Keywords:kbHotfixServer kbQFE kbbug kbfix kbnetwork kbQFE kbWinNT400nospFix KB312284
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