Microsoft KB Archive/314284

= Windows NT-Based Computers May Drop Fragmented IP Packets During a RAS Connection =

Article ID: 314284

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows NT Server 4.0 Standard Edition

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This article was previously published under Q314284



SYMPTOMS
Under certain situations, User Datagram Protocol (UDP) network packets may be discarded during a Remote Access Service (RAS) connection.



CAUSE
This problem occurs if a UDP packet is spit into two Internet protocol (IP) fragments and the second fragment arrives before the first because Windows NT-based computers may incorrectly discard the second IP fragment. When this occurs, the UDP packet is discarded.



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-language version of this fix should have the following file attributes or later:   Date         Time   Version        Size    File name -  12-DEC-2001  13:51  4.0.1381.7117  12,944  Rasarp.sys



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.

Keywords: kbhotfixserver kbqfe kbbug kbfix kbqfe KB314284

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