Microsoft KB Archive/138161

= NBIPX: Broadcast Datagrams Should Contain Destination Field =

Article ID: 138161

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows NT Workstation 3.51
 * Microsoft Windows NT Server 3.51

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This article was previously published under Q138161



SYMPTOMS
Interoperability problems occur when existing Windows NT computers send or receive broadcast datagrams. Directed datagrams (or group datagrams) are not affected.

A supported fix is now available, but is not fully regression-tested and should be applied only to systems experiencing this specific problem. Unless you are severely impacted by this specific problem, Microsoft recommends that you wait for the service pack release containing this fix. Contact Microsoft Product Support Services for more information. 1, Windows for Workgroups 3.11, or Windows 95 client, the client receives 45 bytes (16 bytes extra). When the packet is issued from a Windows 3.1, Windows for Workgroups 3.11 or a Windows 95 computer to a Windows NT 3.5 or 3.51 computer, the Windows NT computer receives 13 bytes (16 bytes lost).



CAUSE
The broadcast datagrams do not contain the destination name field in the NBIPX portion, therefore the data starts immediately after the source name.



RESOLUTION
To resolve this problem, install the fix mentioned below.

Broadcast datagrams (0xC) contain the destination field, even though it is ignored by the receiver.



STATUS
Microsoft has confirmed this to be a problem in Windows NT version 3.5 and A supported fix is now available, but is not fully regression-tested and should be applied only to systems experiencing this specific problem. This problem was corrected in the latest U.S. Service Pack for Windows NT Workstation or Server version 3.51. For information on obtaining this update, query on the following word in the Microsoft Knowledge Base (without the spaces):

S E R V P A C K Contact Microsoft Product

Support Services for more information on the availability of this fix.

Additional query words: prodnt

Keywords: kbnetwork KB138161

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