Microsoft KB Archive/163725

= NDIS Driver Fails To Check Functional Address =

Article ID: 163725

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows NT Workstation 3.5
 * Microsoft Windows NT Workstation 3.51
 * Microsoft Windows NT Workstation 4.0 Developer Edition
 * Microsoft Windows NT Server 3.5
 * Microsoft Windows NT Server 3.51
 * Microsoft Windows NT Server 4.0 Standard Edition

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This article was previously published under Q163725





SYMPTOMS
On a computer running Windows NT and using Token Ring network cards, packets that are addressed to certain functional addresses may be dropped, indicating a failure in the NDIS (network driver interface specification) driver.



CAUSE
The NDIS driver fails to check for combined functional addresses in order to find a matching address to the destination functional address of the incoming packet. A combined functional address is the logical OR of multiple functional addresses that the token ring network card listens to.



RESOLUTION
The NDIS driver has been modified to check for combined functional addresses.



STATUS
Microsoft has confirmed this to be a problem in Windows NT version 4.0. This problem was corrected in the latest Microsoft Windows NT 4.0 U.S. Service Pack. For information on obtaining the service pack, query on the following word in the Microsoft Knowledge Base (without the spaces):

S E R V P A C K

Additional query words: ndis

Keywords: kbbug kbnetwork KB163725

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