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Microsoft KB Archive/170737

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Knowledge Base

Article ID: 170737

Article Last Modified on 1/20/2007


  • Microsoft Windows 95
  • Microsoft Windows 95
  • Microsoft Windows 95
  • Microsoft Windows 95
  • Microsoft Windows 95
  • Microsoft Windows 98 Standard Edition

This article was previously published under Q170737

If this article does not describe the error message that you are receiving, view the following Microsoft Knowledge Base article to view more articles that describe error messages:

315854 Windows 98 and Windows Me Error Message Resource Center


A DLC program may not be able to receive broadcast packets in Windows 95/98 using Microsoft's 32-bit Data Link Control protocol (MSDLC32).


MSDLC32 does not receive packets addressed to the broadcast address for the network medium.


This issue is resolved by the following updated file for Windows 95 and Windows 95 OEM Service Release 2 (OSR2):

DLC.VXD version 4.10.995 dated 6/18/97 237,470 bytes

To install this update, follow these steps:

  1. Download the Dlc32upd.exe file from the online service listed below to an empty folder.
  2. In My Computer or Windows Explorer, double-click the Dlc32upd.exe file you downloaded in step 1.
  3. Follow the instructions on the screen.

The following file is available for download from the Microsoft Download Center:

For additional information about how to download Microsoft Support files, click the following article number to view the article in the Microsoft Knowledge Base:

119591 How to Obtain Microsoft Support Files from Online Services

Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help to prevent any unauthorized changes to the file.


Microsoft has confirmed this to be a problem in Microsoft Windows 95, Microsoft Windows 95 OEM Service Release 2, and Microsoft Windows 98. There is currently no resolution for this problem in Windows 98.


A broadcast address is defined for each network physical media type. For example, on Ethernet the broadcast address is defined as 0xFFFFFFFFFFFF; on Token Ring it is either 0xFFFFFFFFFFFF or 0xC000FFFFFFFF. Packets sent to the broadcast address are expected to be received by all stations on the network segment or ring.

For additional information about issues resolved by updates to this component, please see the following articles in the Microsoft Knowledge Base:

ARTICLE-ID: 170736
TITLE : Windows 95 MSDLC32 Does Not Receive Multicast Packets

ARTICLE-ID: 159344
TITLE : Fatal Exception in DLC Running Program from NetWare Server

ARTICLE-ID: 148765
TITLE : Availability of DLC Update for MSDLC32 Protocol

For additional information about Windows 95 updates, please see the following article in the Microsoft Knowledge Base:

ARTICLE-ID: 161020
TITLE : Implementing Windows 95 Updates

Additional query words: dlc vxd dlc32upd exe

Keywords: kbdownload kbfatalexerr0e kbapi kbnetwork kbfile kbprb kbfatalexerr0d KB170737